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 : DONOVAN, JOSEPH F.
Total Assignments: 13
Assignment: 1
Reel/Frame:004310/0074   Pages: 2
Recorded: 09/10/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SALERNI, JOHN V.
Exec Dt:
08/28/1984
2
DONOVAN, JOSEPH F.
Exec Dt:
08/28/1984
Assignee
1
BAKER OIL TOOLS, INC., A CA CORP.
500 CITY PARKWAY WEST
ORANGE, CALIFORNIA 92668
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4667735
NONE
06648587
Correspondence name and address
WILLIAM C. NORVELL, JR.
6363 WOODWAY, STE. 275
HOUSTON, TX 77057
Assignment: 2
Reel/Frame:004436/0559   Pages: 3
Recorded: 08/01/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DONOVAN, JOSEPH F.
Exec Dt:
07/27/1985
2
STOUT, GREGG W.
Exec Dt:
07/27/1985
3
SCHMUCK, PHILLIP W.
Exec Dt:
07/25/1985
Assignee
1
BAKER OIL TOOLS, INC., A CORP OF CA
3900 ESSEX LANE SUITE 800
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4635734
NONE
06743578
Correspondence name and address
WILLIAM C. NORVELL, JR.
6363 WOODWAY, STE. 275
HOUSTON, TX 77057
Assignment: 3
Reel/Frame:004952/0387   Pages: 4
Recorded: 06/06/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DONOVAN, JOSEPH F.
Exec Dt:
05/31/1988
2
SPATZ, EDWARD C.
Exec Dt:
05/31/1988
3
SALERNI, JOHN V.
Exec Dt:
05/27/1988
4
PETERSON, ELMER R.
Exec Dt:
05/31/1988
5
WEIRICH, JOHN B.
Exec Dt:
05/31/1988
Assignee
1
BAKER HUGHES INCORPORATED, 3900 ESSEX LANE, STE. 800, HOUSTON, TX 77027, A CORP. OF DE.
TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4856591
NONE
07172025
Correspondence name and address
LOREN G. HELMREICH
NORVELL & ASSOCIATES
6363 WOODWAY, STE. 275
HOUSTON, TX 77057
Assignment: 4
Reel/Frame:004984/0124   Pages: 3
Recorded: 12/05/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GAIDRY, JOHN E.
Exec Dt:
11/28/1988
2
QUEBEDEAUX, LARRY J.
Exec Dt:
11/21/1988
3
DONOVAN, JOSEPH F.
Exec Dt:
11/18/1988
4
ASHTON, JEFFERSON P.
Exec Dt:
11/18/1988
Assignee
1
BAKER HUGHES INCORPORATED, A DE. CORP.
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4917183
NONE
07253967
Correspondence name and address
WILLIAM C. NORVELL, JR.
HUBBARD, THURMAN, TURNER & TUCKER
6363 WOODWAY
STE. 275
HOUSTON, TX 77057
Assignment: 5
Reel/Frame:005198/0911   Pages: 3
Recorded: 12/11/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GAIDRY, JOHN E.
Exec Dt:
11/27/1989
2
QUEBEDEAUX, LARRY J.
Exec Dt:
11/27/1989
3
DONOVAN, JOSEPH F.
Exec Dt:
11/27/1989
4
ASHTON, JEFFERSON P.
Exec Dt:
11/27/1989
Assignee
1
BAKER HUGHES INCORPORATED, A CORP. OF DE
3900 ESSEX LANE, SUITE 1200,
HOUSTON,, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5050678
NONE
07427710
Correspondence name and address
WILLIAM C. NORVELL, JR.
HUBBARD, THURMAN, TURNER & TUCKER
6363 WOODWAY, STE. 275
HOUSTON, TX 77057
Assignment: 6
Reel/Frame:005291/0418   Pages: 3
Recorded: 04/25/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DONOVAN, JOSEPH F.
Exec Dt:
03/22/1990
2
YATES, DONALD N. JR.
Exec Dt:
03/22/1990
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200
A CORP. OF DE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5016716
NONE
07514850
Correspondence name and address
WILLIAM C. NORVELL, JR.
HUBBARD, THURMAN, TURNER, TUCKER &
HARRIS
6363 WOODWAY, STE. 275
HOUSTON, TX 77057
Assignment: 7
Reel/Frame:005510/0154   Pages: 2
Recorded: 11/07/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DONOVAN, JOSEPH F.
Exec Dt:
10/31/1990
Assignee
1
BAKER HUGHES INCORPORATED
3800 ESSEX LANE, A CORP. OF DELAWARE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5113941
NONE
07610356
Correspondence name and address
CHARLES D. GUNTER, JR.
FELSMAN, BRADLEY, GUNTER & DILLON
777 MAIN STREET
2600 CONTINENTAL PLAZA
FORT WORTH, TX 76102
Assignment: 8
Reel/Frame:005553/0295   Pages: 3
Recorded: 12/21/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DONOVAN, JOSEPH F.
Exec Dt:
11/30/1990
2
NAQUIN, MICHAEL J.
Exec Dt:
11/30/1990
Assignee
1
BAKER HUGHES INCORPORATED, A CORP. OF DE
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5076355
NONE
07631626
Correspondence name and address
STEVE ROSENBLATT
24 GREENWAY PLAZA
SUITE 1715
HOUSTON, TX 77046
Assignment: 9
Reel/Frame:006352/0222   Pages: 5
Recorded: 10/13/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DONOVAN, JOSEPH F.
Exec Dt:
09/29/1992
2
NAQUIN, MICHAEL J.
Exec Dt:
09/29/1992
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77046
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5327974
NONE
07959626
Correspondence name and address
ROSENBLATT & ASSOCIATES, P.C.
STEVE ROSENBLATT
ONE GREENWAY PLAZA
SUITE 500
HOUSTON, TEXAS 77046
Assignment: 10
Reel/Frame:008371/0849   Pages: 7
Recorded: 02/25/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DONOVAN, JOSEPH F.
Exec Dt:
06/24/1996
2
TURICK, DANIEL J.
Exec Dt:
06/26/1996
3
JOHNSON, MICHAEL H.
Exec Dt:
06/25/1996
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1100
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5868210
NONE
08641562
Correspondence name and address
MADAN & MORRIS
PAUL S. MADAN
2603 AUGUSTA, SUITE 700
HOUSTON, TEXAS 77057-5638
Assignment: 11
Reel/Frame:008395/0946   Pages: 5
Recorded: 02/18/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DONOVAN, JOSEPH F.
Exec Dt:
11/08/1996
2
JOHNSON, MICHAEL H.
Exec Dt:
11/18/1996
3
TURICK, DANIEL J.
Exec Dt:
11/08/1996
4
WATKINS, LARRY A.
Exec Dt:
11/07/1996
5
LEUNG, WALLACE WOON FONG
Exec Dt:
11/27/1996
Assignee
1
BAKER HUGHES INCORPORATED
LEGAL DEPRTMENT, 12TH FLOOR
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5762149
NONE
08469968
Correspondence name and address
CARL A. ROWOLD
LEGAL DEPT.
3900 ESSEX LANE
12TH FLOOR
HOUSTON, TX 77027
Assignment: 12
Reel/Frame:009569/0349   Pages: 6
Recorded: 02/26/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BEARDEN, JOHN L.
Exec Dt:
10/21/1996
2
KNOX, DICK LEE
Exec Dt:
10/21/1996
3
RIDER, JERALD R.
Exec Dt:
10/21/1996
4
BESSER, GORDON L.
Exec Dt:
10/21/1996
5
TUBEL, PAULO S.
Exec Dt:
11/04/1996
6
JOHNSON, MICHAEL H.
Exec Dt:
11/12/1996
7
WATKINS, LARRY A.
Exec Dt:
11/12/1996
8
TURICK, DANIEL J.
Exec Dt:
11/12/1996
9
DONOVAN, JOSEPH F.
Exec Dt:
11/14/1996
10
HENRY, J.V.
Exec Dt:
10/21/1996
11
HARRELL, JOHN W.
Exec Dt:
11/12/1996
Assignee
1
BAKER HUGHES INCORPORATED
SUITE 800
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6167965
NONE
09029732
Correspondence name and address
FELSMAN BRADLEY GUNTER & DILLON, LLP
MELVIN A. HUNN
201 MAIN STREET
SUITE 1600
FORT WORTH, TX 76102
Assignment: 13
Reel/Frame:009108/0764   Pages: 5
Recorded: 02/23/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DONOVAN, JOSEPH F.
Exec Dt:
12/03/1997
2
HERBERT, ROGER P.
Exec Dt:
12/17/1997
3
JOHNSON, MICHAEL H.
Exec Dt:
01/19/1998
4
GANN, CHRISTOPHER L.
Exec Dt:
12/23/1997
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1100
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6279658
NONE
08947073
Correspondence name and address
MADAN & MORRIS
PAUL S. MADAN
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5638

Search Results as of: 05/15/2024 04:39 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