IP Library › Assignment 005265/0686
Patent Assignment
Reel/Frame 005265/0686

Assignment of Assignors Interest.

Recorded: 1990-03-28 Pages: 1
Assignors
BATESON, JOHN H.
Executed: 1990-03-20
BURTON, GEORGE
Executed: 1990-03-20
FELL, STEPHEN C. M.
Executed: 1990-03-20
Assignee
Covered Property (1)
Cephalosporin Derivatives
Patent: 5,246,926 →
Application: 07/500,397 →
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 →