IP Library › Assignment 004362/0252
Patent Assignment
Reel/Frame 004362/0252

Assignment of Assignors Interest.

Recorded: 1985-02-07 Pages: 1
Assignors
HELLER, HAROLD H.
Executed: 1984-12-18
OLIVER, STEPHEN N.
Executed: 1984-12-18
WHITTAL, JOHN
Executed: 1984-12-18
DARCY, PAUL J.
Executed: 1984-12-18
TRUNDLE, CLIVE
Executed: 1984-12-18
Assignee
PLESSEY COMPANY THE, P.L.C.
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: JOHNCOCK, WILLIAM
To: PLESSEY COMPANY P.L.C., THE
Reel/Frame 004362/0253 →
Assignment of Assignors Interest. May 15, 1991
From: PLESSEY OVERSEAS LIMITED
To: GEC-MARONI LIMITED
Reel/Frame 005748/0996 →