Patent Assignment
Reel/Frame 004362/0253
Assignment of Assignors Interest.
Recorded: 1985-02-07
Pages: 1
Assignor
JOHNCOCK, WILLIAM
Executed: 1984-12-10
Assignee
PLESSEY COMPANY P.L.C., THE
VICARGE LANE, ILFORD, ESSEX, ENGLAND, UNITED KINGDOM
Covered Property
(1)
Polychromic Tetracyclo- Spiro-Adamatylidene Derivatives, and Poluchromic Lens Incorporating Said Compounds
Patent:
4,685,783 →
Application:
06/647,565 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 7, 1985
From: HELLER, HAROLD H.; OLIVER, STEPHEN N.; WHITTAL, JOHN; DARCY, PAUL J.
To: PLESSEY COMPANY THE, P.L.C.
Reel/Frame 004362/0252 →
Assignment of Assignors Interest.
May 15, 1991
From: PLESSEY OVERSEAS LIMITED
To: GEC-MARONI LIMITED
Reel/Frame 005748/0996 →