IP Library Assignment 010577/0488
Patent Assignment
Reel/Frame 010577/0488

Assignment of Assignor's Interest

Recorded: 1999-12-22 Pages: 3
Assignors
LEVERIDGE, PHILIP C.
Executed: 1998-12-10
STRANGE, MICHAEL I.
Executed: 1998-12-11
PARKINSON, DAVID W.
Executed: 1998-12-14
ROBERTS, DAVID
Executed: 1998-12-14
KENNING, MICHAEL J.
Executed: 1998-12-14
TIBBITT-EGGLETON, ROBERT I.
Executed: 1998-12-10
Assignee
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
81 NEWGATE STREET, LONDON, ENGLAND, EC1A, UNITED KINGDOM
Covered Property (1)
Method of Authenticating a User of a Client Terminal
Patent: 7,233,997 →
Application: 09/446,583 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 22, 2011
From: BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
To: FACEBOOK, INC.
Reel/Frame 026171/0459 →
Change of Name Dec 20, 2021
From: FACEBOOK, INC.
To: META PLATFORMS, INC.
Reel/Frame 058553/0802 →