Patent Assignment
Reel/Frame 015853/0346
Assignment of Assignor's Interest
Recorded: 2005-03-08
Pages: 3
Assignor
HUANG, WENXI
Executed: 2005-03-07
Assignee
CIPHERGEN BIOSYSEMS, INC.
6611 DUMBARTON CIRCLE, FREMONT, CALIFORNIA, 94555
Covered Property
(1)
Zwitterionic polymers
Application:
11/058,330 →
Publication:
US 2006/0183863
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 2, 2005
From: NGOLA, SARAH; VOIVODOV, KAMEN
To: LUMICYTE, INC.
Reel/Frame 016724/0180 →
Assignment of Assignor's Interest
Nov 17, 2005
From: LUMICYTE, INC.
To: CIPHERGEN BIOSYSTEMS, INC.
Reel/Frame 017033/0075 →
Assignment of Assignor's Interest
Apr 11, 2007
From: CIPHERGEN BIOSYSTEMS, INC.
To: BIO-RAD LABORATORIES, INC.
Reel/Frame 019148/0358 →