Patent Assignment
Reel/Frame 007243/0715
Assignment of Assignor's Interest
Recorded: 1994-08-18
Pages: 3
Assignor
SCHWARZ, ALEXANDER
Executed: 1994-08-11
Assignee
BIOSEPRA, INC.
140 LOCKE DRIVE, MARLBOROUGH, MASSACHUSETTS, 01752
Covered Property
(1)
Chromatography Adsorbents Utilizing Mercapto Heterocyclic Ligands
Patent:
5,502,022 →
Application:
08/243,861 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 18, 1994
From: WILCHEK, MEIR
To: BIOSEPRA, INC.
Reel/Frame 007243/0652 →
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 →