Patent Assignment
Reel/Frame 008490/0448
Assignment of Assignor's Interest
Recorded: 1997-05-05
Pages: 2
Assignor
SEPRACOR, INC.
Executed: 1997-03-27
Assignee
BIOSEPRA INC.
140 LOCKE DRIVE, MARLBOROUGH, MASSACHUSETTS, 01752
Covered Property
(1)
Passivated Porous Supports and Methods for the Preparation and Use of Same
Patent:
5,599,453 →
Application:
08/471,541 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 20, 1999
From: BIOSEPRA INC.
To: LIFE TECHNOLOGIES, INC.
Reel/Frame 009958/0416 →
Assignment by Asset Purchase Agreement
Mar 8, 2002
From: INVITROGEN CORPORATION
To: CIPHERGEN BIOSYSTEMS, INC.
Reel/Frame 012683/0421 →
Assignment of Assignor's Interest
Feb 15, 2005
From: CIPHERGEN BIOSYSTEMS, INC.
To: PALL CORPORATION
Reel/Frame 015711/0670 →