IP Library › Assignment 005135/0668
Patent Assignment
Reel/Frame 005135/0668

Assignment of Assignors Interest.

Recorded: 1989-09-14 Pages: 1
Assignors
BURTON, GEORGE
Executed: 1989-09-05
MARTIN FELL, STEPHEN C.
Executed: 1989-09-05
BATESON, JOHN H.
Executed: 1989-09-05
Assignee
BEECHAM GROUP P.L.C.
BEECHAM HOUSE, GREAT WEST ROAD, BRENTFORD, MIDDLESEX TW8 9BD, ENGLAND, UNITED KINGDOM
Covered Property (1)
Cephalosporin Derivatives
Patent: 5,064,649 →
Application: 07/407,231 →
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 →