Patent Assignment
Reel/Frame 005002/0563
Assignment of Assignors Interest.
Recorded: 1989-01-09
Pages: 1
Assignor
SIMPSON, WILLIAM
Executed: 1989-01-03
Assignee
CLEM ENVIRONMENTAL CORPORATION, A IL CORP.
444 N. MICHIGAN AVE., STE. 1610, CHICAGO, ILLINOIS, 60611
Covered Property
(1)
Leak Prevention Structure, Method and Apparatus
Patent:
4,927,297 →
Application:
07/253,238 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.