skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : SZARKA, DAVID D.
Total Assignments: 45
Assignment: 1
Reel/Frame:004330/0197   Pages: 2
Recorded: 11/26/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SZARKA, DAVID D.
Exec Dt:
11/20/1984
Assignee
1
HALLIBURTON COMPANY A DE CORP.
DUNCAN, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4574882
NONE
06665690
Correspondence name and address
JOSEPH A. WALKOWSKI
HALLIBURTON SERVICES
P. O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 2
Reel/Frame:004337/0055   Pages: 2
Recorded: 12/07/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HARRIS, ALLEN E.
Exec Dt:
12/05/1984
2
SZARKA, DAVID D.
Exec Dt:
12/05/1984
Assignee
1
HALLIBURTON COMPANY
A DE CORP.
DUNCAN, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4613159
NONE
06664907
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES
P. O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 3
Reel/Frame:004383/0459   Pages: 2
Recorded: 04/05/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SZARKA, DAVID D.
Exec Dt:
03/28/1985
Assignee
1
HALLIBURTON COMPANY
DUNCAN, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4627488
NONE
06703630
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES
P.O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 4
Reel/Frame:004383/0505   Pages: 2
Recorded: 04/08/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ZUNKEL, GARY D.
Exec Dt:
03/28/1985
2
STEPP, LEE W.
Exec Dt:
03/28/1985
3
SZARKA, DAVID D.
Exec Dt:
03/28/1985
Assignee
1
HALLIBURTON COMPANY
DUNCAN, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4606408
NONE
06703623
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES
P.O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 5
Reel/Frame:004508/0173   Pages: 2
Recorded: 01/16/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SZARKA, DAVID D.
Exec Dt:
01/15/1986
Assignee
1
HALLIBURTON COMPANY, DUNCAN, OKLAHOMA A CORP OF DE.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4697640
NONE
06820497
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES
P. O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 6
Reel/Frame:004508/0182   Pages: 2
Recorded: 01/16/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SZARKA, DAVID D.
Exec Dt:
01/15/1986
Assignee
1
HALLIBURTON COMPANY, DUNCAN A CORP OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4669538
NONE
06820273
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES
P. O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 7
Reel/Frame:004565/0017   Pages: 3
Recorded: 05/08/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LUBITZ, ERIC P.
Exec Dt:
05/05/1986
2
SZARKA, DAVID D.
Exec Dt:
05/05/1986
3
CARTER, ERNEST E. JR.
Exec Dt:
05/05/1986
Assignee
1
HALLIBURTON COMPANY
A DE. CORP.
DUNCAN, STEPHENS, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4718495
NONE
06861767
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES
P.O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 8
Reel/Frame:005033/0668   Pages: 3
Recorded: 03/27/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FREEMAN, T. AUSTIN
Exec Dt:
03/14/1989
2
BALDRIDGE, MORRIS G.
Exec Dt:
03/14/1989
3
SZARKA, DAVID D.
Exec Dt:
03/14/1989
Assignee
1
HALLIBURTON COMPANY, DUNCAN, OK, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4917184
NONE
07310439
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES
P. O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 9
Reel/Frame:005190/0267   Pages: 2
Recorded: 12/11/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SZARKA, DAVID D.
Exec Dt:
12/05/1989
2
SCHWEGMAN, STEVEN L.
Exec Dt:
12/04/1989
Assignee
1
HALLIBURTON COMPANY, DUNCAN, OK A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5029644
NONE
07435305
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES
P. O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 10
Reel/Frame:005196/0796   Pages: 2
Recorded: 12/11/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SZARKA, DAVID D.
Exec Dt:
12/05/1989
Assignee
1
HALLIBURTON COMPANY, A CORP. OF DE.
DUNCAN, STEPHENS COUNTY,, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4979561
NONE
07435302
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES
P.O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 11
Reel/Frame:005197/0636   Pages: 3
Recorded: 12/18/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SZARKA, DAVID D.
Exec Dt:
12/05/1989
2
SULLAWAY, BOB L.
Exec Dt:
12/13/1989
3
BRANDELL, JOHN T.
Exec Dt:
12/05/1989
4
SCHWEGMAN, STEVEN L.
Exec Dt:
12/04/1989
Assignee
1
HALLIBURTON COMPANY, A CORP. OF DE
DUNCAN,, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4949788
NONE
07435303
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES
P. O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 12
Reel/Frame:005197/0980   Pages: 3
Recorded: 12/18/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BRANDELL, JOHN T.
Exec Dt:
02/05/1989
2
SZARKA, DAVID D.
Exec Dt:
12/05/1989
3
SULLAWAY, BOB L.
Exec Dt:
12/13/1989
Assignee
1
HALLIBURTON COMPANY, A CORP. OF DE.
DUNCAN, STEPHENS,, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4991654
NONE
07435144
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES
P. O. BOX DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 13
Reel/Frame:005828/0509   Pages: 3
Recorded: 09/09/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SZARKA, DAVID D.
Exec Dt:
08/27/1991
2
GIROUX, RICHARD L.
Exec Dt:
09/06/1991
Assignee
1
HALLIBURTON COMPANY A DE CORPORATION
DUNCAN, STEPHENS COUNTY, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5137087
NONE
07741859
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES
P. O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 14
Reel/Frame:006325/0580   Pages: 5
Recorded: 01/29/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
STREICH, STEVEN G.
Exec Dt:
01/11/1993
2
BRANDELL, JOHN T.
Exec Dt:
01/12/1993
3
SZARKA, DAVID D.
Exec Dt:
01/13/1992
4
SULLAWAY, BOBBY L.
Exec Dt:
01/25/1993
Assignee
1
HALLIBURTON COMPANY
ATTN: JAMES R. DUZAN
P.O. BOX 1431
DUNCAN, OKLAHOMA 73536
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5364110
NONE
07990336
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES
P.O. BOX 1431
DUNCAN, OK 73536
Assignment: 15
Reel/Frame:006022/0472   Pages: 3
Recorded: 02/25/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SZARKA, DAVID D.
Exec Dt:
02/19/1992
2
HARRIS, ALLEN E.
Exec Dt:
02/19/1992
Assignee
1
HALLIBURTON COMPANY A CORP. OF DELAWARE
DUNCAN, STEPHENS COUNTY, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5246236
NONE
07823523
Correspondence name and address
JAMES R. DUZAN
HALLIBURTON SERVICES, A DIV. OF
HALLIBURTON COMPANY
P.O. DRAWER 1431
DUNCAN, OKLAHOMA 73536-0102
Assignment: 16
Reel/Frame:006843/0444   Pages: 3
Recorded: 10/13/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DANESHY, ABBAS ALI
Exec Dt:
10/07/1993
2
SZARKA, DAVID D.
Exec Dt:
09/29/1993
Assignee
1
HALLIBURTON COMPANY
1015 BOIS D'ARC
DUNCAN, OKLAHOMA 73536-0102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5375661
NONE
08136512
Correspondence name and address
ROBERT A. KENT
1015 BOIS D'ARC
DUNCAN, OK 73536-0102
Assignment: 17
Reel/Frame:006737/0756   Pages: 4
Recorded: 10/18/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VENDITTO, JAMES J.
Exec Dt:
10/06/1993
2
STEPP, LEE W.
Exec Dt:
10/08/1993
3
SZARKA, DAVID D.
Exec Dt:
10/08/1993
Assignee
1
HALLIBURTON COMPANY
HALLIBURTON ENERGY SERVICES
P.O. BOX 1431
DUNCAN, OKLAHOMA 73536
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5394941
NONE
08080610
Correspondence name and address
HALLIBURTON ENERGY SERVICES
JAMES R. DUZAN
P.O. BOX 1431
DUNCAN, OH 73536
Assignment: 18
Reel/Frame:006743/0426   Pages: 3
Recorded: 10/18/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEPP, LEE WAYNE
Exec Dt:
10/08/1993
2
SZARKA, DAVID D.
Exec Dt:
10/08/1993
Assignee
1
HALLIBURTON COMPANY
HALLIBURTON ENERGY SERVICES
P.O. BOX 1431
DUNCAN, OKLAHOMA 73536
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5381862
NONE
08113141
Correspondence name and address
HALLIBURTON ENERGY SERVICES
JAMES R. DUZAN
P.O. BOX 1431
DUNCAN, OKLAHOMA 73536
Assignment: 19
Reel/Frame:006804/0423   Pages: 4
Recorded: 12/13/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SURJAATMADJA, JIM B.
Exec Dt:
12/09/1993
2
HOLDEN, STEVEN L.
Exec Dt:
12/08/1993
3
SZARKA, DAVID D.
Exec Dt:
12/09/1993
Assignee
1
HAILLIBURTON COMPANY
HALLIBURTON ENERGY SERVICES
1015 BOIS D'ARC DUNCAN OK 73536
OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5361856
NONE
08119370
Correspondence name and address
STEPHEN R. CHRISTIAN
HALLIBURTON ENERGY SERVICES
1015 BOIS D'ARC
DUNCAN OK 73536
Assignment: 20
Reel/Frame:007412/0132   Pages: 3
Recorded: 03/27/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUELL, ALAN B.
Exec Dt:
03/22/1995
2
SZARKA, DAVID D.
Exec Dt:
03/15/1995
Assignee
1
HALLIBURTON COMPANY
HALLIBURTON ENERGY SERVICES 1015 BOIS D'ARC DUNCAN, OK 73536
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5526878
NONE
08384729
Correspondence name and address
STEPHEN R. CHRISTIAN
HALLIBURTON ENERGY SERVICES
1015 BOIS D'ARC
DUNCAN, OKLAHOMA 73536-0102
Assignment: 21
Reel/Frame:008295/0092   Pages: 5
Recorded: 12/30/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SULLAWAY, BOBBY L.
Exec Dt:
12/17/1996
2
LAUREL, DAVID F.
Exec Dt:
12/17/1996
3
SZARKA, DAVID D.
Exec Dt:
12/16/1996
4
MORGAN, GEORGE L.
Exec Dt:
12/10/1996
Assignee
1
HALLIBURTON COMPANY
HALLIBURTON ENERGY SERVICES
1015 BOIS D'ARC
DUNCAN, OKLAHOMA 73536
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5762139
NONE
08740904
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
1015 BOIS D'ARC
DUNCAN, OKLAHOMA 73536-0102
Assignment: 22
Reel/Frame:008894/0690   Pages: 3
Recorded: 01/08/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SZARKA, DAVID D.
Exec Dt:
12/30/1997
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
5151 SAN FELIPE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5738171
NONE
08775534
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
CRAIG W. RODDY
1015 BOIS D'ARC
DUNCAN, OK 73536-0102
Assignment: 23
Reel/Frame:009172/0291   Pages: 10
Recorded: 05/04/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STREICH, STEVEN G.
Exec Dt:
03/16/1998
2
WEAVER, JIMMIE D.
Exec Dt:
04/28/1998
3
SZARKA, DAVID D.
Exec Dt:
03/16/1998
4
NAVARETTE, MIKE
Exec Dt:
01/02/1998
5
GIROUX, RICHARD L.
Exec Dt:
12/02/1997
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6095247
NONE
08976320
Correspondence name and address
HALLIBURTON ENERGY SERVICES
STEPHEN R. CHRISTIAN
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 24
Reel/Frame:010071/0278   Pages: 5
Recorded: 07/06/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROGERS, HENRY E.
Exec Dt:
07/01/1999
2
BUTTERFIELD, CHARLES A. JR.
Exec Dt:
07/01/1999
3
SZARKA, DAVID D.
Exec Dt:
07/01/1999
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6318472
NONE
09322427
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P. O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 25
Reel/Frame:010217/0789   Pages: 4
Recorded: 09/01/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SULLAWAY, BOBBY L.
Exec Dt:
09/01/1999
2
SZARKA, DAVID D.
Exec Dt:
09/01/1999
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6244342
NONE
09388018
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 26
Reel/Frame:011134/0826   Pages: 4
Recorded: 08/29/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SZARKA, DAVID D.
Exec Dt:
08/25/2000
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6497291
NONE
09650204
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P.O. BOX 1431
DUNCAN, OK 73536-0440
Assignment: 27
Reel/Frame:011848/0555   Pages: 4
Recorded: 05/24/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SZARKA, DAVID D.
Exec Dt:
05/22/2001
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BALLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6571876
US20020174988
09865089
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P.O. BOX 1431
DUNCAN, OK 73536-0440
Assignment: 28
Reel/Frame:011865/0970   Pages: 4
Recorded: 05/24/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SZARKA, DAVID D.
Exec Dt:
05/23/2001
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6651743
US20020174986
09864962
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P.O. BOX 1431
DUNCAN, OK 73536-0440
Assignment: 29
Reel/Frame:012074/0182   Pages: 5
Recorded: 08/06/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SZARKA, DAVID D.
Exec Dt:
07/25/2001
2
ROGERS, HENRY E.
Exec Dt:
07/25/2001
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6547007
US20020148614
09836755
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
2600 SOUTH 2ND STREET
DUNCAN, OK 73536
Assignment: 30
Reel/Frame:012416/0825   Pages: 3
Recorded: 12/20/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SZARKA, DAVID D.
Exec Dt:
12/14/2001
2
ROGERS, HENRY E.
Exec Dt:
12/14/2001
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6810958
US20030116320
10026736
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
2600 SOUTH SECOND STREET
DUNCAN, OK 73536-0440
Assignment: 31
Reel/Frame:012573/0770   Pages: 3
Recorded: 01/29/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SZARKA, DAVID D.
Exec Dt:
01/28/2002
2
ROGERS, HENRY E.
Exec Dt:
01/28/2002
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6725935
US20020148615
10059649
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
2600 SOUTH SECOND STREET
DUNCAN, OKLAHOMA 73536-0440
Assignment: 32
Reel/Frame:013255/0192   Pages: 9
Recorded: 08/29/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROGERS, HENRY E.
Exec Dt:
08/28/2002
2
WEBB, EARL D.
Exec Dt:
08/28/2002
3
SZARKA, DAVID D.
Exec Dt:
08/28/2002
4
ACOSTA, FRANK
Exec Dt:
08/28/2002
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6772835
US20040040709
10230701
Correspondence name and address
HALLIBURTON ENERGY SERVICES
JOHN W. WUSTENBERG
2600 SOUTH SECOND STREET
DUNCAN, OK 73536-0440
Assignment: 33
Reel/Frame:014712/0135   Pages: 5
Recorded: 11/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SZARKA, DAVID D.
Exec Dt:
11/13/2003
Assignee
1
HALLIBURTON ENERGY SERVICES, IN.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7182135
US20050103492
10714118
Correspondence name and address
HALLIBURTON ENERGY SERVICES
JOHN W. WUSTENBERG
2600 SOUTH SECOND STREET
DUNCAN, OK 73536-0440
Assignment: 34
Reel/Frame:014723/0552   Pages: 3
Recorded: 11/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SZARKA, DAVID D.
Exec Dt:
11/13/2003
Assignee
1
HALLIBURTON ENERGY SERVICES, IN.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6973966
US20050103504
10714832
Correspondence name and address
HALLIBURTON ENERGY SERVICES
JOHN W. WUSTENBERG
2600 SOUTH SECOND STREET
DUNCAN, OK 73536-0440
Assignment: 35
Reel/Frame:014723/0619   Pages: 4
Recorded: 11/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEVENS, MICHAEL D.
Exec Dt:
11/13/2003
2
WEBB, EARL D.
Exec Dt:
11/13/2003
3
SZARKA, DAVID D.
Exec Dt:
11/13/2003
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050103493
10714831
Correspondence name and address
HALLIBURTON ENERGY SERVICES
JOHN W. WUSTENBERG
2600 SOUTH SECOND STREET
DUNCAN, OK 73536-0440
Assignment: 36
Reel/Frame:016012/0369   Pages: 10
Recorded: 05/06/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEVENS, MICHAEL D.
Exec Dt:
05/04/2004
2
SZARKA, DAVID D.
Exec Dt:
05/04/2004
3
SERSCHEIDT, KEVIN T.
Exec Dt:
05/04/2004
4
FEARS, BRETT A.
Exec Dt:
05/04/2004
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7255162
US20050247458
10841772
Correspondence name and address
HALLIBURTON ENERGY SERVICES
JOHN W. WUSFENBERG
2600 SOUTH SECOND STREET
DUNCAN, OK 73536-0440
Assignment: 37
Reel/Frame:017180/0890   Pages: 4
Recorded: 11/01/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROGERS, HENRY E.
Exec Dt:
10/17/2005
2
HOLDEN, STEVEN L.
Exec Dt:
10/17/2005
3
SZARKA, DAVID D.
Exec Dt:
10/26/2005
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7533729
US20070095533
11264228
Correspondence name and address
JOHN W. WUSTENBERG
HALLIBURTON ENERGY SERVICES
2600 SOUTH 2ND
DUNCAN, OK 73536
Assignment: 38
Reel/Frame:017408/0250   Pages: 3
Recorded: 12/27/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SZARKA, DAVID D.
Exec Dt:
12/16/2005
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7506686
US20070095527
11263729
Correspondence name and address
JOHN W. WUSTENBERG
HALLIBURTON ENERGY SERVICES
2600 SOUTH 2ND
DUNCAN, OK 73533
Assignment: 39
Reel/Frame:023123/0665   Pages: 7
Recorded: 08/20/2009
Attorney Dkt #:13301.937
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROGERS, HENRY E.
Exec Dt:
08/19/2009
2
HOLDEN, STEVE L.
Exec Dt:
08/19/2009
3
SZARKA, DAVID D.
Exec Dt:
08/19/2009
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8267174
US20110042068
12544554
Correspondence name and address
JOHN W. WUSTENBERG
P.O. BOX 1431
DUNCAN, OK 73536
Assignment: 40
Reel/Frame:027627/0256   Pages: 4
Recorded: 01/31/2012
Attorney Dkt #:HES 2010-IP-037965U1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SZARKA, DAVID D.
Exec Dt:
11/21/2011
2
LEVIE, DAVID
Exec Dt:
01/25/2012
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8967255
US20130112410
13289642
Correspondence name and address
RODNEY B. CARROLL
5601 GRANITE PARKWAY, SUITE 750
PLANO, TX 75024
Assignment: 41
Reel/Frame:027963/0795   Pages: 5
Recorded: 03/30/2012
Attorney Dkt #:086108-0432
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROGERS, HENRY EUGENE
Exec Dt:
03/05/2012
2
SZARKA, DAVID D.
Exec Dt:
03/05/2012
3
STRICKLAND, DERRICK EUGENE
Exec Dt:
03/08/2012
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9169721
US20130255935
13435529
Correspondence name and address
JOHN WUSTENBERG, CUSTOMER NO. 29920 HALL
2600 S. 2ND ST.
DUNCAN, OK 73536
Assignment: 42
Reel/Frame:027964/0346   Pages: 5
Recorded: 03/30/2012
Attorney Dkt #:086108-0609
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROGERS, HENRY EUGENE
Exec Dt:
03/05/2012
2
SZARKA, DAVID D.
Exec Dt:
03/05/2012
3
STRICKLAND, DERRICK EUGENE
Exec Dt:
03/08/2012
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9109437
US20130255967
13435672
Correspondence name and address
JOHN WUSTENBERG, CUSTOMER NO. 29920 HALL
2600 S. 2ND ST.
DUNCAN, OK 73536
Assignment: 43
Reel/Frame:028788/0854   Pages: 5
Recorded: 08/15/2012
Attorney Dkt #:086108-0650
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ACOSTA, FRANK
Exec Dt:
08/03/2012
2
BUDLER, NICHOLAS F.
Exec Dt:
07/03/2012
3
SZARKA, DAVID D.
Exec Dt:
07/03/2012
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9033056
US20140048281
13585954
Correspondence name and address
JOHN WUSTENBERG, CUSTOMER NO. 29920 HALL
2600 S. 2ND STREET
DUNCAN, OK 73536
Assignment: 44
Reel/Frame:028862/0297   Pages: 5
Recorded: 08/28/2012
Attorney Dkt #:087638-0108
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROGERS, HENRY EUGENE
Exec Dt:
08/27/2012
2
SZARKA, DAVID D.
Exec Dt:
08/27/2012
3
ROGOZINSKI, NICOLAS
Exec Dt:
08/27/2012
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9284795
NONE
14407104
Correspondence name and address
CAREY C. JORDAN
MCDERMOTT WILL & EMERY LLP
600 13TH STREET NW
WASHINGTON, DC 20005
Assignment: 45
Reel/Frame:034476/0325   Pages: 5
Recorded: 12/11/2014
Attorney Dkt #:095184-0606
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROGERS, HENRY EUGENE
Exec Dt:
08/27/2012
2
SZARKA, DAVID D.
Exec Dt:
08/27/2012
3
ROGOZINSKI, NICOLAS
Exec Dt:
08/27/2012
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9284795
US20150114656
14407104
Correspondence name and address
MCDERMOTT WILL & EMERY LLP
THE MCDERMOTT BUILDING
500 NORTH CAPITOL STREET, N.W.
WASHINGTON, DC 20001

Search Results as of: 05/15/2024 01:00 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT