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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
05/31/1994
Application #:
08032799
Filing Dt:
03/17/1993
Inventors:
MARCO RASI, MARK W. BIEGLER, EUGENE A. SIKIRICA
Title:
METHOD FOR REDUCING OCCURRENCES OF STUCK DRILL PIPE
Assignment: 1
Reel/Frame:
006491/0539Recorded: 03/17/1993Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
03/16/1993
Exec Dt:
03/16/1993
Exec Dt:
03/16/1993
Assignee:
3120 BUFFALO SPEEDWAY
HOUSTON, TEXAS 77098
Correspondent:
JAMES H. RILEY II
1177 WEST LOOP SOUTH, 10TH FLOOR
HOUSTON, TEXAS 77027-9095
Assignment: 2
Reel/Frame:
010655/0108Recorded: 03/01/2000Pages: 9
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/09/1999
Assignee:
P.O. BOX 2189, HOUSTON, TEXAS 77252-2189
3120 BUFFALO SPEEDWAY
HOUSTON, TEXAS 77098
Correspondent:
EXXON MOBIL UPSTREAM RESEARCH COMPANY
SALVATORE J. CASAMASSIMA
3319 MERCER STREET
HOUSTON, TX 77027

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