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Patent Assignment Abstract of Title
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Total Assignments: 1
Patent #:
4842620
Issue Dt:
06/27/1989
Application #:
07127150
Filing Dt:
12/01/1987
Inventors:
JOSEPH J. HAMMEL, WALTER J. ROBERTSON, WILLIAM P. MARSHALL, HERBERT W. BARCH et al
Title:
PROCESS OF GAS ENRICHMENT WITH POROUS SILICEOUS-CONTAINING MATERIAL
Assignment: 1
Reel/Frame:
004831/0887Recorded: 02/12/1988Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
HAMMEL, JOSEPH J.
Exec Dt:
02/08/1988
ROBERTSON, WALTER J.
Exec Dt:
02/08/1988
MARSHALL, WILLIAM P.
Exec Dt:
02/08/1988
BARCH, HERBERT W.
Exec Dt:
02/08/1988
DAS, BALBHADRA
Exec Dt:
02/08/1988
SMOOT, MICHAEL A.
Exec Dt:
02/08/1988
BEAVER, RICHARD P.
Exec Dt:
02/08/1988
Assignee:
PPG INDUSTRIES, INC., A CORP. OF PA.
PITTSBURGH, PENNSYLVANIA
Correspondent:
PATENT DEPARTMENT
PPG INDUSTRIES, INC
ONE PPG PLACE
PITTSBURGH, PA 15272

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