Patent Assignment
Reel/Frame 004978/0490
Assignment of Assignors Interest.
Recorded: 1988-11-21
Pages: 1
Assignor
CLEM, ARTHUR J.
Executed: 1988-11-10
Covered Property
(1)
Seawater Resistant Clay Mixture
Patent:
4,997,701 →
Application:
07/274,166 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Nov 29, 1990
From: CLEM ENVIRONMENTAL CORPORATION
To: JAMES CLEM CORPORATION, A CORP. OF IL
Reel/Frame 005518/0678 →
Assignment of Assignors Interest.
Nov 29, 1990
From: CLEM ENVIRONMENTAL CORPORATION
To: JAMES CLEM CORPORATION, A CORP. OF IL
Reel/Frame 005518/0693 →
Assignment of Assignor's Interest
Nov 14, 1994
From: JAMES CLEM CORPORATION
To: CLEM ENVIRONMENTAL CORP.
Reel/Frame 007204/0172 →
Change of Name
Jun 17, 1996
From: CLEM ENVIRONMENTAL CORP.
To: CLAYMAX CORPORATION, AN ILLINOIS CORPORATION
Reel/Frame 008040/0364 →