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Patent Assignment Assignor Details
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Assignor Name : VAN STEENWYK, DONALD H.
Total Assignments: 25
Assignment: 1
Reel/Frame:003915/0889   Pages: 2
Recorded: 08/17/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
VAN STEENWYK, DONALD H.
Exec Dt:
07/14/1981
Assignee
1
APPLIED TECHNOLOGIES ASSOCIATES
A CORP. OF CA
SAN MARINO, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4468863
NONE
06293159
Correspondence name and address
WILLIAM W. HAEFLIGER
201 SOUTH LAKE AVE.
PASADENA, CA 91101
Assignment: 2
Reel/Frame:003993/0396   Pages: 2
Recorded: 02/24/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WATSON, FRED L.
Exec Dt:
02/22/1982
2
VAN STEENWYK, DONALD H.
Exec Dt:
02/22/1982
Assignee
1
APPLIED TECHNOLOGIES ASSOCIATES
A CORP. OF CA.
SAN MARINO, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4459760
NONE
06351743
Correspondence name and address
WILLIAM W. HAEFLIGER
201 SOUTH LAKE AVE.
PASADENA, CA 91101
Assignment: 3
Reel/Frame:004292/0857   Pages: 2
Recorded: 07/30/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
VAN STEENWYK, DONALD H.
Exec Dt:
07/23/1984
Assignee
1
APPLIED TECHNOLOGIES ASSOCIATES, A CA CORP.
2450 MISSION ST.
SAN MARINO, CALIFORNIA 91108
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4611405
NONE
06635612
Correspondence name and address
WILLIAM W. HAEFLIGER
201 S. LAKE AVE.
PASADEBA, CA 91101
Assignment: 4
Reel/Frame:004731/0610   Pages: 2
Recorded: 06/11/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
VAN STEENWYK, DONALD H.
Exec Dt:
06/04/1987
Assignee
1
APPLIED TECHNOLOGIES ASSOCIATES, A CORP. OF CA
2450 MISSION ST.
SAN MARINO, CALIFORNIA 91108
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4833787
NONE
07060648
Correspondence name and address
WILLIAM W. HAEFLIGER
201 S. LAKE AVE.,
PASADENA, CA 91101
Assignment: 5
Reel/Frame:005685/0427   Pages: 3
Recorded: 04/22/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
VAN STEENWYK, DONALD H.
Exec Dt:
04/03/1991
Assignee
1
SCIENTIFIC DRILLING INTERNATIONAL
12707 N. FREEWAY #330, A CORP. OF TX.
HOUSTON, TEXAS 77090
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5130706
NONE
07688684
Correspondence name and address
WILLIAM W. HAEFLIGER
201 S. LAKE AVE., STE. 512
PASADENA, CA 91101
Assignment: 6
Reel/Frame:006660/0207   Pages: 3
Recorded: 08/16/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VAN STEENWYK, DONALD H.
Exec Dt:
08/03/1993
Assignee
1
SCIENTIFIC DRILLING INTERNATIONAL
12707 NORTH FREEWAY #330 HOUSTON, TX 77060
TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5366018
NONE
08106441
Correspondence name and address
WILLIAM W. HAEFLIGER
201 SOUTH LAKE AVENUE
SUITE 512
PASADENA, CA 9110-10000
Assignment: 7
Reel/Frame:006688/0884   Pages: 4
Recorded: 09/13/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN STEENWYK, DONALD H.
Exec Dt:
09/08/1993
2
ORCUTT-CLENARD, MICHAEL S.
Exec Dt:
09/08/1993
3
TEYS, RAYMOND W.
Exec Dt:
09/08/1993
Assignee
1
SCIENTIFIC DRILLING INTERNATIONAL
12707 NORTH FREEWAY, #330
HOUSTON, TEXAS 77060
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5389003
NONE
08119565
Correspondence name and address
WILLIAM W. HAEFLIGER
201 SOUTH LAKE AVENUE
SUITE 512
PASADENA, CA 91101
Assignment: 8
Reel/Frame:007282/0238   Pages: 4
Recorded: 12/12/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN STEENWYK, DONALD H.
Exec Dt:
11/21/1994
2
TEYS, RAYMOND W.
Exec Dt:
11/21/1994
3
BAKER, ROBERT M.
Exec Dt:
11/28/1994
Assignee
1
SCIENTIFIC DRILLING INTERNATIONAL
12707 NORTH FREEWAY, #330
HOUSTON, TEXAS 77060
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5507348
NONE
08341132
Correspondence name and address
WILLIAM W. HAEFLIGER
201 SOUTH LAKE AVENUE
STE. 512
PASADENA, CA 91101
Assignment: 9
Reel/Frame:007774/0233   Pages: 3
Recorded: 12/08/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN STEENWYK, DONALD H.
Exec Dt:
11/21/1995
2
TEYS, RAYMOND W.
Exec Dt:
11/21/1995
Assignee
1
SCIENTIFIC DRILLING INTERNATIONAL
1100 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5364381
NONE
08008364
Correspondence name and address
WILLIAM W. HAEFLIGER
201 SOUTH LAKE AVENUE
SUITE 512
PASADENA, CA 91101
Assignment: 10
Reel/Frame:007859/0657   Pages: 3
Recorded: 02/05/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRICE, TIMOTHY M.
Exec Dt:
02/01/1996
2
VAN STEENWYK, DONALD H.
Exec Dt:
02/01/1996
Assignee
1
APPLIED TECHNOLOGIES ASSOCIATES, INC.
2450 MISSION STREET
SAN MARINO, CALIFORNIA 91108
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5720345
NONE
08596458
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
FELIX L. FISCHER
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 11
Reel/Frame:008010/0156   Pages: 3
Recorded: 05/24/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN STEENWYK, DONALD H.
Exec Dt:
05/23/1996
2
ORCUTT-CLENARD, MICHAEL S.
Exec Dt:
05/23/1996
3
HIGGINBOTHAM, JAMES ROBBIE
Exec Dt:
05/23/1996
Assignee
1
APPLIED TECHNOLOGIES ASSOCIATES, INC.
2450 MISSION STREET
SAN MARINO, CALIFORNIA 91108
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5725061
NONE
08653636
Correspondence name and address
CHRISTIE, PARKER & HALE, LLP
FELIX L. FISCHER
P.O. BOX 7068
PASADENA, CA 91109-7068
Assignment: 12
Reel/Frame:008202/0858   Pages: 3
Recorded: 08/21/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN STEENWYK, DONALD H.
Exec Dt:
08/08/1996
2
CASE. ROY W.
Exec Dt:
08/08/1996
Assignee
1
SCIENTIFIC DRILLING INTERNATIONAL
1100 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5740127
NONE
08700884
Correspondence name and address
WILLIAM W. HAEFILGER
201 SOUTH LAKE AVE.
STE. 512
PASADENA, CA 91101
Assignment: 13
Reel/Frame:008277/0725   Pages: 4
Recorded: 09/03/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN STEENWYK, DONALD H.
Exec Dt:
08/26/1996
2
TOWLE, JAMES N.
Exec Dt:
08/20/1996
3
PRICE, TIMOTHY
Exec Dt:
08/26/1996
Assignee
1
SCIENTIFIC DRILLING INTERNATIONAL
1100 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5883516
NONE
08707270
Correspondence name and address
WILLIAM W. HAEFLIGER
201 SOUTH LAKE AVENUE
SUITE 512
PASADENA, CA 91101
Assignment: 14
Reel/Frame:008223/0693   Pages: 4
Recorded: 09/11/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
VAN STEENWYK, DONALD H.
Exec Dt:
09/09/1996
Assignee
1
SCIENTIFIC DRILLING INTERNATIONAL, INC.
1100 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5836353
NONE
08712275
Correspondence name and address
PRAVEL, HEWITT, KIMBALL & KRIEGER
CLAUDE E. COOKE, JR.
1177 WEST LOOP SOUTH, 10TH FLOOR
HOUSTON, TX 77027-9095
Assignment: 15
Reel/Frame:008670/0223   Pages: 6
Recorded: 08/08/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TOWLE, JAMES N.
Exec Dt:
08/04/1997
2
VAN STEENWYK, DONALD H.
Exec Dt:
08/06/1997
Assignee
1
SCIENTIFIC DRILLING INTERNATIONAL
1100 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5960370
NONE
08907623
Correspondence name and address
WILLIAM W. HAEFLIGER
201 SOUTH LAKE AVENUE
SUITE 512
PASADENA, CA 91101
Assignment: 16
Reel/Frame:009821/0530   Pages: 4
Recorded: 03/09/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN STEENWYK, DONALD H.
Exec Dt:
03/03/1999
2
TOWLE, JAMES N.
Exec Dt:
02/24/1999
3
PRICE, TIMOTHY
Exec Dt:
03/06/1999
Assignee
1
SCIENTIFIC DRILLING INTERNATIONAL
1100 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6396276
NONE
09265629
Correspondence name and address
MR. WILLIAM W. HEAFLIGER
201 S. LAKE AVE.
SUITE 512
PASADENA, CA 91101
Assignment: 17
Reel/Frame:010850/0042   Pages: 4
Recorded: 06/05/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN STEENWYK, DONALD H.
Exec Dt:
05/09/2000
2
BAKER, ROBERT M.
Exec Dt:
05/16/2000
3
MCBROOM, GARY A.
Exec Dt:
05/10/2000
Assignee
1
SCIENTIFIC DRILLING INTENATIONAL
1100 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6608565
NONE
09587010
Correspondence name and address
WILLIAM W. HAEFLIGER
SUITE 512
201 SO. LAKE AVE.
PASADENA, CA 91101
Assignment: 18
Reel/Frame:013206/0683   Pages: 5
Recorded: 08/12/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN STEENWYK, DONALD H.
Exec Dt:
07/31/2002
2
TOWLE, JAMES N.
Exec Dt:
08/06/2002
3
FAIRCHILD, HANS S.
Exec Dt:
07/31/2002
Assignee
1
SCIENTIFIC DRILLIN INTERNATIONAL
1100 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6651496
US20030041661
10217367
Correspondence name and address
MR. WILLIAM W. HAEFLIGER
201 S. LAKE AVE., STE. 512
PASADENA, CA 91101
Assignment: 19
Reel/Frame:019505/0586   Pages: 3
Recorded: 06/21/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN STEENWYK, DONALD H.
Exec Dt:
06/01/2004
2
BUCKLEY, DENNIS J.
Exec Dt:
06/04/2004
3
HIGGINBOTHAM, JAMES R.
Exec Dt:
06/04/2004
Assignee
1
SCIENTIFIC DRILLING INTERNATIONAL
1100 RANKIN RD.
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080034856
11820790
Correspondence name and address
WILLIAM W. HAEFLIGER
201 S. LAKE AVE.
SUITE 512
PASADENA, CA 91101
Assignment: 20
Reel/Frame:015939/0975   Pages: 3
Recorded: 10/26/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN STEENWYK, DONALD H.
Exec Dt:
10/05/2004
2
TEYS, RAYMOND W.
Exec Dt:
10/05/2004
3
HIGGINBOTHAM, JAMES R.
Exec Dt:
10/25/2004
Assignee
1
SCIENTIFIC DRILLING INTERNATIONAL
11 RANKON ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7225888
NONE
10974592
Correspondence name and address
MR. WILLIAM W. HAEFLIGER
201 S. LAKE AVE., SUITE 512
PASADENA, CALIF. 91101
Assignment: 21
Reel/Frame:015950/0754   Pages: 3
Recorded: 11/02/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN STEENWYK, DONALD H.
Exec Dt:
10/25/2004
2
TEYS, RAYMOND W.
Exec Dt:
10/25/2004
Assignee
1
SCIENTIFIC DRILLING INTERNATIONAL
1100 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7287605
US20060090935
10978783
Correspondence name and address
MR. WILLIAM W. HAEFLIGER
201 S. LAKE AVE.
SUITE 512
PASADENA, CA 91101
Assignment: 22
Reel/Frame:017590/0672   Pages: 3
Recorded: 02/13/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRICE, TIMOTHY M.
Exec Dt:
02/08/2006
2
VAN STEENWYK, DONALD H.
Exec Dt:
02/08/2006
3
BUCHER, HAROLD T.
Exec Dt:
02/08/2006
Assignee
1
SCIENTIFIC DRILLIING INTERNATIONAL
1100 RANKIN RD.
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7518528
US20080211687
11353364
Correspondence name and address
MR. WILLIAM W. HAEFLIGER
SUITE 512
201 S. LAKE AVE.
PASADENA, CA 91101
Assignment: 23
Reel/Frame:018993/0973   Pages: 4
Recorded: 02/20/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN STEENWYK, DONALD H.
Exec Dt:
01/22/2007
2
PRICE, TIMOTHY M.
Exec Dt:
01/22/2007
3
WALKER, GEORGE K.
Exec Dt:
01/22/2007
4
WILSON, CORY B.
Exec Dt:
02/01/2007
Assignee
1
SCIENTIFIC DRILLING INTERNATIONAL
1100 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7576532
US20070229064
11708076
Correspondence name and address
WILLIAM W. HAEFLIGER
SUITE 512
201 SO. LAKE AVE.
PASADENA, CA 91101
Assignment: 24
Reel/Frame:019397/0907   Pages: 4
Recorded: 02/20/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN STEENWYK, DONALD H.
Exec Dt:
01/22/2007
2
PRICE, TIMOTHY M.
Exec Dt:
01/22/2007
3
WALKER, GEORGE K.
Exec Dt:
01/22/2007
4
WILSON, CORY B.
Exec Dt:
02/01/2007
Assignee
1
SCIENTIFIC DRILLING INTERNATIONAL
1100 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7576532
US20070229064
11708076
Correspondence name and address
WILLIAM W. HAEFLIGER
201 SO. LAKE AVE.
SUITE 512
PASADENA, CA 91101
Assignment: 25
Reel/Frame:019671/0020   Pages: 3
Recorded: 07/25/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
VAN STEENWYK, DONALD H.
Exec Dt:
07/03/2007
2
BUSCHER, HAROLD T.
Exec Dt:
07/03/2007
Assignee
1
APPLIED TECHNOLOGIES ASSOCIATES, INC.
2450 MISSION STREET
SAN MARINO, CALIFORNIA 91108
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7434482
NONE
11880702
Correspondence name and address
WILLIAM W. HAEFLIGER
201 SO. LAKE AVE., SUITE 512
PASADENA, CA 91101

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