Patent Assignment
Reel/Frame 004054/0696
Assignment of Assignors Interest.
Recorded: 1982-09-30
Pages: 1
Assignor
CLEM, ARTHUR J.
Executed: 1982-09-27
Assignee
GEO-MAT INTERNATIONAL A CORP. OF DE
161 WEST BURTON PLACE, APT. 5,, CHICAGO,, ILLINOIS, 60610
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.
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: GEO-MAT INTERNATIONAL
To: WALTER E. HELLER & CO., A DE CORP
Reel/Frame 004342/0052 →
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 →