Patent Assignment
Reel/Frame 004181/0299
Assignment of Assignors Interest.
Recorded: 1983-10-03
Pages: 2
Assignee
HUGHES TOOL COMPANY, A DE CORP.
P.O. BOX 2539, HOUSTON, TEXAS, 77001
Covered Property
(1)
Cold Set Cement Composition and Method
Patent:
4,482,379 →
Application:
06/538,647 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.