Patent Assignment
Reel/Frame 004891/0343
Assignment of Assignors Interest.
Recorded: 1988-06-03
Pages: 2
Assignor
SAFFRHAN, RAY W.
Executed: 1987-06-04
Assignee
Covered Property
(1)
Quick Release Platform Grouting Valve System
Patent:
4,776,727 →
Application:
07/058,970 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.