Patent Assignment
Reel/Frame 004342/0052
Assignment of Assignors Interest.
Recorded: 1984-12-10
Pages: 2
Assignor
GEO-MAT INTERNATIONAL
Executed: 1982-11-29
Assignee
WALTER E. HELLER & CO., A DE CORP
105 WEST ADAMS STREET, CHICAGO, ILLINOIS, 60603
Covered Property
(1)
Waterproofing Soil
Patent:
4,501,788 →
Application:
06/430,685 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Sep 30, 1982
From: CLEM, ARTHUR J.
To: GEO-MAT INTERNATIONAL A CORP. OF DE
Reel/Frame 004054/0696 →
Security Interest
Oct 11, 1983
From: CLEM ENVIRONMENTAL CORP., AN IL CORP
To: WALTER E. HELLER & COMPANY
Reel/Frame 004180/0414 →
Assignment of Assignors Interest.
Dec 10, 1984
From: WALTER E. HELLER & CO.
To: CLEM ENVIRONMENTAL CORP., AN IL CORP
Reel/Frame 004342/0054 →
Change of Name
Jun 17, 1996
From: CLEM ENVIRONMENTAL CORP.
To: CLAYMAX CORPORATION, AN ILLINOIS CORPORATION
Reel/Frame 008040/0364 →