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Patent Assignment Abstract of Title
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Total Assignments: 1
Patent #:
Issue Dt:
06/18/1985
Application #:
06108863
Filing Dt:
12/31/1979
Inventors:
KLAUS HELBIG, GUENTHER PUSCH
Title:
METHOD FOR DETERMINING THE DEGREE OF CHANGE OF MATERIAL PROPERTIES OF UNDERGROUND STRATA
Assignment: 1
Reel/Frame:
005244/0417Recorded: 12/18/1989Pages: 13
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE: JUNE 8, 1989, GERMANY
Assignor:
Exec Dt:
06/21/1989
Assignee:
Correspondent:
THOMAS H. WHALEY
559 GRAMATAN AVENUE
MT. VERNON, NY 10552

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