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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
11/24/1987
Application #:
06882574
Filing Dt:
08/08/1986
Inventors:
ESTON F. PETRY, JOHN B. RIESTER
Title:
REMOTELY SENSING OF EXCAVATION CAVITY DURING MINING
Assignment: 1
Reel/Frame:
004627/0689Recorded: 07/07/1986Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
07/02/1986
Exec Dt:
07/02/1986
Assignee:
A CORP OF DE
WILMINGTON, DELAWARE
Correspondent:
CONOCO INC.
COAL RESEARCH DIVISION
4000 BROWNVILLE ROAD
LIBRARY, PA., 15129
Assignment: 2
Reel/Frame:
004923/0180Recorded: 05/16/1988Pages: 19
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST. SUBJECT TO LICENSE RECITED
Assignor:
Exec Dt:
02/27/1987
Assignee:
Correspondent:
ALAN N. MCCARTNEY
4000 BROWNSVILLE ROAD
LIBRARY, PA., 15129

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