Patent Assignment
Reel/Frame 006980/0005
Assignment of Assignor's Interest
Recorded: 1994-05-09
Pages: 3
Assignor
BOISTURE, THOMAS B.
Executed: 1994-05-02
Assignee
C. H. HEIST CORP.
P.O. BOX 537, BAYTOWN, TEXAS, 77522
Covered Property
(1)
Furnace Cleaning Apparatus
Patent:
5,381,811 →
Application:
08/204,583 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.