Patent Assignment
Reel/Frame 004354/0301
Assignment of Assignors Interest.
Recorded: 1984-12-28
Pages: 1
Assignor
HOLTGRAVER, EDWARD G.
Executed: 1984-12-21
Assignee
KEYSTONE INTERNATIONAL, INC.
A TX CORP, HOUSTON, TEXAS
Covered Property
(1)
Positioning Assembly for Use with Rotatable Valves
Patent:
4,570,901 →
Application:
06/687,293 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.