Patent Assignment
Reel/Frame 003887/0867
Assignment of Assignors Interest.
Recorded: 1981-05-06
Pages: 1
Assignor
RUSSELL FREDERICK E.
Executed: 1981-04-30
Assignee
PROTECTAIRE SYSTEMS COMPANY, A CORP. OF IL.
1353 N. MCLEAN BLVD., ELGIN, ILLINOIS, 60120
Covered Property
(1)
Sludge Removal Apparatus
Patent:
4,432,870 →
Application:
06/260,888 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.