Patent Assignment
Reel/Frame 006725/0391
Assignment of Assignor's Interest
Recorded: 1993-09-20
Pages: 3
Assignee
SEPRACOR INC.
33 LOCKE DRIVE, MARLBOROUGH, MASSACHUSETTS, 01752
Covered Property
(1)
Passivated Porous Supports and Methods for the Preparation and Use of Same
Patent:
5,470,463 →
Application:
08/090,968 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 30, 1997
From: SEPRACOR INC.
To: BIOSEPRA INC.
Reel/Frame 008345/0084 →
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 →