Patent Assignment
Reel/Frame 004274/0769
Assignment of Assignors Interest.
Recorded: 1984-04-20
Pages: 1
Assignor
CARPENTER, ROBERT B.
Executed: 1984-04-09
Covered Property
(1)
Matrix Control Cementing Slurry
Patent:
4,569,395 →
Application:
06/602,641 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.