Patent Assignment
Reel/Frame 003975/0734
Assignment of Assignors Interest.
Recorded: 1982-02-01
Pages: 1
Assignee
KEYSTONE INTERNATIONAL, INC.
HOUSTON, TEXAS
Covered Property
(1)
Valve Seat
Patent:
4,410,163 →
Application:
06/344,502 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.