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Patent Assignment Assignor Details
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Assignor Name : TWARDOWSKI, ERIC M.
Total Assignments: 12
Assignment: 1
Reel/Frame:011429/0456   Pages: 5
Recorded: 01/03/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DENNIS, MAHLON D.
Exec Dt:
12/28/2000
2
DENNIS, THOMAS M.
Exec Dt:
12/28/2000
3
TWARDOWSKI, ERIC M.
Exec Dt:
12/28/2000
Assignee
1
DENNIS TOOL COMPANY
2020 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6488103
NONE
09754807
Correspondence name and address
MUNSCH HARDT KOPF & HARR, P.C.
MARC A. HUBBARD
4000 FOUNTAIN PLACE
1445 ROSS AVENUE
DALLAS, TX 75202
Assignment: 2
Reel/Frame:015999/0388   Pages: 5
Recorded: 11/15/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DENNIS, MAHLON D.
Exec Dt:
10/22/2004
2
DENNIS, THOMAS M.
Exec Dt:
10/22/2004
3
TWARDOWSKI, ERIC M.
Exec Dt:
10/22/2004
Assignee
1
DENNIS TOOL COMPANY
2020 RANKIN ROAD
HOUSTON, TEXAS 77073-5100
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7712549
US20060102388
10988722
Correspondence name and address
MUNSCH HARDT & HARR, P.C.
INTELLECTUAL PROPERTY SECTION
1445 ROSS AVENUE, SUITE 4000
DALLAS, TX 75202-2790
Assignment: 3
Reel/Frame:023494/0951   Pages: 7
Recorded: 11/10/2009
Attorney Dkt #:WEAT/0934
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TWARDOWSKI, ERIC M.
Exec Dt:
10/22/2009
2
ODELL, ALBERT C., II
Exec Dt:
10/22/2009
3
FEASEY, GUY F.
Exec Dt:
10/27/2009
4
BEATTIE, SCOTT
Exec Dt:
11/02/2009
5
UGWUOCHA, SHARP OKORIE
Exec Dt:
09/30/2009
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8074749
US20110061941
12558277
Correspondence name and address
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 4
Reel/Frame:027295/0449   Pages: 7
Recorded: 11/29/2011
Attorney Dkt #:WEAT/0934USD1/TYF
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TWARDOWSKI, ERIC M.
Exec Dt:
10/22/2009
2
ODELL, ALBERT C., II
Exec Dt:
10/22/2009
3
FEASEY, GUY F.
Exec Dt:
10/27/2009
4
BEATTIE, SCOTT
Exec Dt:
11/02/2009
5
UGWUOCHA, SHARP OKORIE
Exec Dt:
09/30/2009
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8528669
US20120103694
13305452
Correspondence name and address
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 5
Reel/Frame:031041/0446   Pages: 7
Recorded: 08/20/2013
Attorney Dkt #:WEAT/0934USD2 / TYF
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TWARDOWSKI, ERIC M.
Exec Dt:
10/22/2009
2
ODELL, ALBERT C., II
Exec Dt:
10/22/2009
3
FEASEY, GUY F.
Exec Dt:
10/27/2009
4
BEATTIE, SCOTT
Exec Dt:
11/02/2009
5
UGWUOCHA, SHARP OKORIE
Exec Dt:
09/30/2009
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9297210
US20130327575
13970076
Correspondence name and address
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 6
Reel/Frame:023894/0413   Pages: 6
Recorded: 02/03/2010
Attorney Dkt #:WEAT/0913US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TREVINO, JOSE A.
Exec Dt:
01/13/2010
2
ODELL, ALBERT C., II
Exec Dt:
01/14/2010
3
TWARDOWSKI, ERIC M.
Exec Dt:
01/14/2010
4
LE, TUONG THANH
Exec Dt:
01/13/2010
5
XU, WEI JAKE
Exec Dt:
01/26/2010
6
FEASEY, GUY F.
Exec Dt:
01/14/2010
Assignee
1
WEATHERFORD/LAMB, INC.
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8839880
US20100126776
12620581
Correspondence name and address
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056
Assignment: 7
Reel/Frame:028271/0603   Pages: 3
Recorded: 05/25/2012
Attorney Dkt #:WEAT/1010US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TWARDOWSKI, ERIC M.
Exec Dt:
05/24/2012
Assignee
1
WEATHERFORD/LAMB, INC.
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9500044
US20120298376
13480652
Correspondence name and address
JASON C. HUANG
3040 POST OAK BLVD.
SUITE 1500
HOUSTON, TX 77056
Assignment: 8
Reel/Frame:029906/0534   Pages: 4
Recorded: 03/01/2013
Attorney Dkt #:WEAT/1036US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TWARDOWSKI, ERIC M.
Exec Dt:
11/20/2012
2
ODELL, ALBERT C., II
Exec Dt:
11/20/2012
3
TREVINO, JOSE A.
Exec Dt:
02/16/2013
Assignee
1
WEATHERFORD/LAMB, INC.
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9488004
US20130233547
13774989
Correspondence name and address
JASON C. HUANG
3040 POST OAK BLVD.
SUITE 1500
HOUSTON, TX 77056
Assignment: 9
Reel/Frame:040269/0042   Pages: 5
Recorded: 11/09/2016
Attorney Dkt #:WEAT/1036USC01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TWARDOWSKI, ERIC M.
Exec Dt:
11/20/2012
2
ODELL, ALBERT C., II
Exec Dt:
11/20/2012
3
TREVINO, JOSE A.
Exec Dt:
02/16/2013
Assignee
1
WEATHERFORD/LAMB, INC.
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170051561
15346544
Correspondence name and address
JASON C. HUANG
24 GREENWAY PLAZA
SUITE 1600
HOUSTON, TX 77046
Assignment: 10
Reel/Frame:032084/0695   Pages: 3
Recorded: 01/29/2014
Attorney Dkt #:WEAT/1112US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TWARDOWSKI, ERIC M.
Exec Dt:
01/29/2014
Assignee
1
WEATHERFORD/LAMB, INC.
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10161217
US20140199196
14152913
Correspondence name and address
JASON C. HUANG
3040 POST OAK BLVD.
SUITE 1500
HOUSTON, TX 77056
Assignment: 11
Reel/Frame:032806/0534   Pages: 4
Recorded: 05/02/2014
Attorney Dkt #:WEAT_1113US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TWARDOWSKI, ERIC M.
Exec Dt:
04/02/2014
2
ODELL, II, ALBERT C.
Exec Dt:
04/02/2014
3
LE, TUONG THANH
Exec Dt:
04/23/2014
Assignee
1
WEATHERFORD/LAMB, INC.
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9745821
US20140196900
14152937
Correspondence name and address
WILLIAM B. PATTERSON
24 GREENWAY PLAZA, SUITE 1600
HOUSTON, TX 77046
Assignment: 12
Reel/Frame:043985/0769   Pages: 4
Recorded: 10/30/2017
Attorney Dkt #:WEAT/1113USC01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TWARDOWSKI, ERIC M.
Exec Dt:
04/02/2014
2
ODELL, ALBERT C., II
Exec Dt:
04/02/2014
3
LE, TUONG THANH
Exec Dt:
04/23/2014
Assignee
1
WEATHERFORD/LAMB, INC.
2000 ST. JAMES PLACE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10590733
US20180038194
15688556
Correspondence name and address
WILLIAM B. PATTERSON
24 GREENWAY PLAZA, SUITE 1600
HOUSTON, TX 77046

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