IP Library Assignment 004893/0287
Patent Assignment
Reel/Frame 004893/0287

Assignment of Assignors Interest.

Recorded: 1988-03-21 Pages: 1
Assignor
CASSIDY, STEPHEN A.
Executed: 1988-02-25
Assignee
BRITISH TELECOMMUNICATIONS
81 NEWGATE STREET, A BRITISH COMPANY, LONDON EC1A 7AJ, ENGLAND, UNITED KINGDOM
Covered Property (1)
Wavelength Sensitive Optical Devices
Patent: 4,867,522 →
Application: 07/174,793 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Release of Security Interest in Specified Patents Nov 14, 2017
From: BANK OF NEW YORK MELLON
To: OBAGI MEDICAL PRODUCTS, INC.
Reel/Frame 044750/0506 →