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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
4462714
Issue Dt:
07/31/1984
Application #:
06481703
Filing Dt:
04/04/1983
Inventors:
CHARLES F. SMITH, GEORGE R. PARKS, GUSTAVO A. CORREA, RALPH N. HOLLEY
Title:
METHOD AND APPARATUS FOR SETTING A CEMENT PLUG IN THE WIDE-MOUTH SHAFT OF AN EARTH CAVERN
Assignment: 1
Reel/Frame:
004257/0730Recorded: 05/21/1984Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
SMITH, CHARLES F.
Exec Dt:
03/22/1983
PARKS, GEORGE R.
Exec Dt:
03/22/1983
CORREA, GUSTAVO A.
Exec Dt:
03/21/1983
HOLLEY, RALPH N.
Exec Dt:
03/22/1983
Assignee:
DOW CHEMICAL COMPANY THE
STATELESS
Correspondent:
RICHARD G. WATERMAN
P. O. BOX 1967
MIDLAND, MI 48640
Assignment: 2
Reel/Frame:
004398/0131Recorded: 04/29/1985Pages: 9
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
DOW CHEMICAL COMPANY, THE, 2030 DOW CENTER, ABBOTT ROAD, MIDLAND, MI. 48640
Exec Dt:
04/10/1985
DOWELL SCHLUMBERGER INCORPORATED, 500 GULF FREEWAY, HOUSTON, TEXAS 77001
Exec Dt:
04/17/1985
Assignee:
DOWELL SCHLUMBERGER INCORPORATED,
400 WEST BELT SOUTH,
HOUSTON,, TEXAS 77210
Correspondent:
L. WAYNE WHITE
PATENT DEPARTMENT
PO BOX 2710
TULSA, OK. 74101

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