Patent Assignment
Reel/Frame 004221/0138
Assignment of Assignors Interest.
Recorded: 1984-02-14
Pages: 10
Assignor
POSI-SEAL INTERNATIONAL, INC.
Executed: 1984-02-09
Assignee
STATE STREET BANK AND TRUST COMPANY
225 FRANKLIN STREET, A COMPANY OF MA, BOSTON, MASSACHUSETTS, 02110
Covered Properties
(3)
Cryogenic Valve Seal
Patent:
4,306,706 →
Application:
06/074,530 →
Bidirectional Control Valve
Patent:
4,335,748 →
Application:
06/139,751 →
Quarter-Turn Valve Actuator
Patent:
4,261,546 →
Application:
06/162,776 →
Related Assignments
(1)
Other recorded transfers of the patents in this record — the chain of ownership.