IP Library Assignment 008873/0194
Patent Assignment
Reel/Frame 008873/0194

Assignment of Assignor's Interest

Recorded: 1997-12-29 Pages: 3
Assignor
COFFMAN, JONATHAN L.
Executed: 1997-12-17
Assignee
BIOSEPRA INC.
111 LOCKE DRIVE, MARLBOROUGH, MASSACHUSETTS, 01752
Covered Property (1)
One Step Device and Process for Concentration and Purification of Biological Molecules
Application: 60/051,756 →
Related Assignments (2)
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 →