Patent Assignment
Reel/Frame 004955/0604
Assignment of Assignors Interest.
Recorded: 1988-10-28
Pages: 1
Assignor
FEIJEN, JAN
Executed: 1988-10-12
Covered Property
(1)
Biodegradable Hydrogel Matrices for the Controlled Release of Pharmacologically Active Agents
Patent:
4,925,677 →
Application:
07/238,802 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 29, 1993
From: THERATECH, INC., A UTAH CORPORATION
To: THERATECH, INC. A DELAWARE CORPORATION
Reel/Frame 006593/0511 →
Change of Name
May 8, 2000
From: THERATECH, INC.
To: WATSON LABORATORIES, INC. - UTAH
Reel/Frame 010804/0959 →
Assignment of Assignor's Interest
May 8, 2000
From: WATSON LABORATORIES, INC., A CORPORATION OF UTAH
To: WATSON PHARMACEUTICALS, INC.
Reel/Frame 010804/0963 →