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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
11/20/1984
Application #:
06470020
Filing Dt:
04/18/1983
Inventors:
LOUIS S. MCTAMANEY, ALLAN B. DELFINO, GARY W. BISBEE
Title:
METHOD AND APPARATUS FOR RECORDING AND PLAYBACK OF DYNAGRAPHS FOR SUCKER-ROD WELLS
Assignment: 1
Reel/Frame:
004242/0407Recorded: 04/10/1984Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
02/23/1983
Exec Dt:
02/24/1983
Exec Dt:
02/24/1983
Assignee:
CHICAGO,, ILLINOIS
Correspondent:
LOW & LOW
2316 SOUTH EADS ST.,
ARLINGTON, VA 22202
Assignment: 2
Reel/Frame:
004561/0083Recorded: 06/17/1986Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
06/03/1986
Assignee:
12260 PENNSYLVANIA STREET
A CORP. OF CO.
DENVER, COLORADO 80241
Correspondent:
CHRISTIE, PARKER & HALE
350 WEST COLORADO BOULEVARD
P.O. BOX 7068, SUITE 500
PASADENA, CA. 91109-7068
Assignment: 3
Reel/Frame:
006916/0342Recorded: 03/29/1994Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
08/31/1992
Assignee:
MAIL CODE 1907A, 200 EAST RANDOLPH DRIVE
POST OFFICE BOX 87703
CHICAGO, ILLINOIS 60680-0703
Correspondent:
AMOCO CORPORATION - CHARLES P. WAKEFIELD
PATENTS AND LICESING DEPARTMENT
MAIL CODE 1907A - P.O. BOX 87703
200 EAST RANDOLPH DRIVE
CHICAGO, IL 60680-0703

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