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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
04/07/1981
Application #:
06057892
Filing Dt:
07/16/1979
Inventor:
EDWARD HARRIS
Title:
DEVICE FOR CLEANING COKE OVEN DOORS
Assignment: 1
Reel/Frame:
003800/0762Recorded: 09/11/1980Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
07/11/1979
Assignee:
KOPPERS BLDG.
A CORP. OF DE.
PITTSBURGH, PENNSYLVANIA 15219
Correspondent:
DONALD M. MACKAY, KOPPERS CO., INC.
1450 KOPPERS BLDG.,
PITTSBURGH, PA. 15219
Assignment: 2
Reel/Frame:
004292/0615Recorded: 07/18/1984Pages: 89
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
05/03/1984
Assignee:
OAKLAND, CALIFORNIA
Correspondent:
FLEHR, HOHBACH, TEST ALBRITTON & HERBERT
FOUR EMBARCADERO CENTER
SUITE 3400
SAN FRANCISCO CA 94111

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