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Assignee Name : BAKER HUGHES PRODUCTION TOOLS, INC.
Total Assignments: 11
Assignment: 1
Reel/Frame:007133/0790   Pages: 4
Recorded: 09/19/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BAKER OIL TOOLS, INC.
Exec Dt:
08/10/1987
Assignee
1
BAKER HUGHES PRODUCTION TOOLS, INC.
15355 VANTAGE PARKWAY WEST
HOUSTON, TEXAS 77032
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
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4183713
NONE
05867711
 
4161448
NONE
05879811
 
4264269
NONE
05945540
 
4280790
NONE
06015120
 
4299352
NONE
06023204
 
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NONE
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4281962
NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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4252499
NONE
06080617
 
4332521
NONE
06120188
 
4940391
NONE
07268102
 
5332373
NONE
08099957
Correspondence name and address
THERESA BUSTAMANTE
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, 8TH FLOOR
HOUSTON, TX 77027
Assignment: 2
Reel/Frame:005156/0235   Pages: 1
Recorded: 06/23/1989
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). AUGUST 27, 1987 CALIFORNIA
Assignor
1
BAKER OIL TOOLS, INC.
Exec Dt:
08/27/1987
Assignee
1
BAKER HUGHES PRODUCTION TOOLS, INC.
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
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4396211
NONE
06272411
 
4526408
NONE
06399563
 
4501440
NONE
06458417
 
4531552
NONE
06491864
 
4444420
NONE
06499996
 
4480371
NONE
06513456
 
4566495
NONE
06587560
 
4624485
NONE
06611188
 
4673652
NONE
06936222
Correspondence name and address
NORVELL& ASSOCIATES
ATTORNEY AT LAW
6363 WOODWAY SUITE 275
HOUSTON, TEXAS 77057
Assignment: 3
Reel/Frame:006608/0588   Pages: 16
Recorded: 07/15/1993
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
BAKER OIL TOOLS, INC.
Exec Dt:
08/27/1987
Assignee
1
BAKER HUGHES PRODUCTION TOOLS, INC.
3900 ESSEX LANE, #800
HOUSTON, TEXAS 77027
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
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4442894
NONE
06385615
 
4450912
NONE
06385616
 
4531582
NONE
06547408
 
4641776
NONE
06765798
Correspondence name and address
CARL A. ROWOLD
P.O. BOX 4740
3900 ESSEX, #1200
HOUSTON, TX 77027
Assignment: 4
Reel/Frame:006680/0811   Pages: 19
Recorded: 07/15/1993
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
BAKER OIL TOOLS, INC.
Exec Dt:
08/27/1987
Assignee
1
BAKER HUGHES PRODUCTION TOOLS, INC.
3900 ESSEX LANE, #800
HOUSTON, TEXAS 77027
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
4345651
NONE
06133363
 
4088186
NONE
UNAVAILABLE
Correspondence name and address
CARL A. ROWOLD
3900 ESSEX, #1200
HOUSTON, TX 77027
Assignment: 5
Reel/Frame:005136/0324   Pages: 2
Recorded: 08/14/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HUGHES TOOL COMPANY - USA
Exec Dt:
02/03/1988
Assignee
1
BAKER HUGHES PRODUCTION TOOLS, INC.
3900 ESSEX
A CORP. OF CA
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4694855
NONE
06869833
Correspondence name and address
HUGHES TOOL CO.
HUGHES TOOL DIVISION
P.O. BOX 2539
HOUSTON, TX 77001
Assignment: 6
Reel/Frame:006845/0920   Pages: 4
Recorded: 02/07/1994
Conveyance: AFFIDAVIT TO DISSOLVE CORPORATION
Assignor
1
BAKER CAC, INC.
Exec Dt:
08/23/1988
Assignee
1
BAKER HUGHES PRODUCTION TOOLS, INC.
SUITE 1200
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4429581
NONE
06267276
Correspondence name and address
BAKER HUGHES INCORPORATED
SANDRA E. ALFORD
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Assignment: 7
Reel/Frame:006879/0513   Pages: 4
Recorded: 02/28/1994
Conveyance: AFFIDAVIT TO DISSOLVE CORPORATION
Assignor
1
BAKER CAC, INC.
Exec Dt:
08/23/1988
Assignee
1
BAKER HUGHES PRODUCTION TOOLS, INC.
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4551719
NONE
06472651
Correspondence name and address
SANDRA E. ALFORD
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200
HOUSTON, TX 77027
Assignment: 8
Reel/Frame:006874/0896   Pages: 5
Recorded: 03/03/1994
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Assignor
1
ELDER OIL TOOLS/ELDER, INC.
Exec Dt:
09/25/1991
Assignee
1
BAKER HUGHES PRODUCTION TOOLS, INC.
3900 ESSEX LANE, SUITE 800
HOUSTON, TEXAS 77027
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4941532
NONE
07331290
 
4967844
NONE
07344671
 
5332038
NONE
07925173
Correspondence name and address
BAKER HUGHES INCORPORATED
ROSA TURNINI
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Assignment: 9
Reel/Frame:006960/0378   Pages: 4
Recorded: 04/20/1994
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Assignor
1
TRI-STATE OIL TOOLS, INC.
Exec Dt:
02/27/1992
Assignee
1
BAKER HUGHES PRODUCTION TOOLS, INC.
3900 ESSEX LANE
HOUSTON, TEXAS 77210
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4166034
NONE
05904038
 
4393830
NONE
05929165
 
4252189
NONE
06012669
 
4223749
NONE
06020807
 
4256190
NONE
06027934
 
4265129
NONE
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4257648
NONE
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NONE
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NONE
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NONE
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NONE
06096755
 
4358248
NONE
06102857
 
4337158
NONE
06128736
 
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NONE
06137855
 
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NONE
06139403
 
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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4487554
NONE
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NONE
06725648
 
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NONE
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NONE
06787492
 
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NONE
06848945
 
4652309
NONE
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NONE
06900587
 
4830758
NONE
06938002
 
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
UNAVAILABLE
 
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NONE
UNAVAILABLE
 
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NONE
UNAVAILABLE
 
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NONE
UNAVAILABLE
 
4091988
NONE
UNAVAILABLE
 
4026481
NONE
UNAVAILABLE
 
4096762
NONE
UNAVAILABLE
Correspondence name and address
JENS E. HOKENDIJK
TOWNSEND AND TOWNSEND KHOURIE AND CREW
STEUART STREET TOWER, 20TH FLOOR
ONE MARKET PLAZA
SAN FRANCISCO, CA 94105-1492
Assignment: 10
Reel/Frame:006481/0804   Pages: 3
Recorded: 04/08/1993
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 03/15/1993CA
Assignor
1
BAKER HUGHES DRILLING TECHNOLOGIES, INC.
Exec Dt:
03/15/1993
Assignee
1
BAKER HUGHES PRODUCTION TOOLS, INC.
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4710708
NONE
06401267
 
4587741
NONE
06536556
 
4646831
NONE
06650665
 
4736791
NONE
06730397
 
4926188
NONE
06865623
 
4787093
NONE
06907727
 
4953616
NONE
07181599
 
4878053
NONE
07181678
 
4908804
NONE
07212670
 
5027129
NONE
07419893
 
5067114
NONE
07500107
 
5089779
NONE
07581561
 
5160925
NONE
07686772
 
5260662
NONE
07899020
 
4221834
NONE
UNAVAILABLE
Correspondence name and address
CARL A. ROWOLD
OR THERESA M. BUSTAMANTE
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 11
Reel/Frame:006483/0260   Pages: 4
Recorded: 04/08/1993
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 03/15/1993TX
Assignor
1
BAKER HUGHES DRILLING TECHNOLOGIES, INC.
Exec Dt:
03/15/1993
Assignee
1
BAKER HUGHES PRODUCTION TOOLS, INC.
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4273212
NONE
06006832
 
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
06572801
 
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NONE
06727362
 
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NONE
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NONE
06865158
 
4786874
NONE
06898409
 
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
07610433
 
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NONE
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NONE
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NONE
07641690
 
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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5216242
NONE
07710822
 
5134783
NONE
07723455
 
5124953
NONE
07736397
 
5215152
NONE
07846523
Correspondence name and address
BAKER HUGHES INCORPORATED
THERESA BUSTAMANTE
3900 ESSEX LANE
HOUSTON, TX 77027

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