IP Library › Assignment 005434/0875
Patent Assignment
Reel/Frame 005434/0875

Assignment of Assignors Interest.

Recorded: 1990-09-04 Pages: 2
Assignors
BRANCH, CLIVE L.
Executed: 1990-08-13
GUEST, ANGELA W.
Executed: 1990-08-13
FINCH, STEPHEN C.
Executed: 1990-08-13
Assignee
BEECHAM GROUP P.L.C.
SB HOUSE, GREAT WEST ROAD, BRENTFORD, MIDDLESEX, TW8 9BD, ENGLAND, UNITED KINGDOM
Covered Property (1)
Cephalosporin Derivatives
Patent: 5,275,816 →
Application: 07/578,662 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 2, 1997
From: BEECHAM GROUP, P.L.C.
To: PFIZER, INC.
Reel/Frame 008290/0037 →
Assignment of Assignor's Interest Jan 2, 1997
From: BEECHAM GROUP P.L.C.
To: PFIZER INC.
Reel/Frame 008447/0046 →