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Patent Assignment Abstract of Title
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Total Assignments: 10
Patent #:
Issue Dt:
10/08/1991
Application #:
07619172
Filing Dt:
11/27/1990
Inventor:
DOUGLAS S. DRUMHELLER
Title:
ANALOG CIRCUIT FOR CONTROLLING ACOUSTIC TRANSDUCER ARRAYS
Assignment: 1
Reel/Frame:
005522/0692Recorded: 11/27/1990Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
11/20/1990
Assignee:
MERIDEN,, CONNECTICUT 06450
Correspondent:
FISHMAN, DIONNE & CANTOR
88 DAY HILL ROAD
WINDSOR, CT 06095
Assignment: 2
Reel/Frame:
006479/0028Recorded: 04/05/1993Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
12/02/1991
Assignee:
ALBUQUERQUE, NEW MEXICO 87185
Correspondent:
THERESA M. BUSTAMANTE
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 3
Reel/Frame:
006483/0244Recorded: 04/08/1993Pages: 6
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 07/01/1992DE
Assignor:
Exec Dt:
07/01/1992
Assignee:
15355 VANTAGE PARKWAY WEST
HOUSTON, TEXAS 77032-1925
Correspondent:
BAKER HUGHES INCORPORATED
THERESA M. BUSTAMANTE
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 4
Reel/Frame:
006483/0250Recorded: 04/08/1993Pages: 6
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 12/22/1992TX
Assignor:
Exec Dt:
01/01/1993
Assignee:
1600 SOUTH GREAT SOUTHWEST PARKWAY
GRAND PRAIRIE, TEXAS 75051-2516
Correspondent:
BAKER HUGHES INCORPORATED
THERESA BUSTAMANTE
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 5
Reel/Frame:
006483/0256Recorded: 04/08/1993Pages: 4
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 01/28/1993
Assignor:
Exec Dt:
01/05/1993
Assignee:
1600 SOUTH GREAT SOUTHWEST PARKWAY
GRAND PRAIRIE, TEXAS 75051-2516
Correspondent:
BAKER HUGHES INCORPORATED
THERESA BUSTAMANTE
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 6
Reel/Frame:
006483/0264Recorded: 04/08/1993Pages: 3
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 03/10/1993
Assignor:
Exec Dt:
03/10/1993
Assignee:
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Correspondent:
BAKER HUGHES INCORPORATED
THERESA BUSTAMANTE
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 7
Reel/Frame:
006483/0260Recorded: 04/08/1993Pages: 4
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 03/15/1993TX
Assignor:
Exec Dt:
03/15/1993
Assignee:
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Correspondent:
BAKER HUGHES INCORPORATED
THERESA BUSTAMANTE
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 8
Reel/Frame:
006483/0267Recorded: 04/08/1993Pages: 19
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
04/01/1993
Assignee:
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Correspondent:
BAKER HUGHES INCORPORATED
THERESA BUSTAMANTE
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 9
Reel/Frame:
006946/0730Recorded: 04/18/1994Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/12/1994
Assignee:
ALBUQUERQUE, NEW MEXICO 87185
Correspondent:
BAKER HUGHES INCORPORATED
THERESA BUSTAMANTE
INTELLECTUAL PROPERTY DEPARTMENT
P.O. BOX 4740
HOUSTON, TEXAS 77027
Assignment: 10
Reel/Frame:
008445/0692Recorded: 03/28/1997Pages: 3
Conveyance:
CONFIRMATORY LICENSE (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/15/1994
Assignee:
GC-62, MS 6F-067 (FORSTL)
INDEPENDENCE AVENUE, S.W.
WASHINGTON, DISTRICT OF COLUMBIA 20585
Correspondent:
BETTY WINCHESTER
UNITED STATES DEPARTMENT OF ENERGY
GC-62, MS 6F-067 (FORSTL)
1000 INDENPENDENCE AVENUE, S.W.
WASHINGTON, D.C. 20585

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