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Patent Assignment Abstract of Title

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Total Assignments: 2

Patent #:	6897072	Issue Dt:	05/24/2005	Application #:	09560715	Filing Dt:	04/27/2000
Inventors:	William E. Rich, Pil-Je Um, Kamen Voivodov, Tai-Tung Yip, Jody Beecher
Title:	PROBES FOR A GAS PHASE ION SPECTROMETER

Assignment: 1

Reel/Frame:

011110/0438

Recorded: 09/18/2000

Pages: 3

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors:

RICH, WILLIAM E.

Exec Dt:

06/28/2000

UM, PIL-JE

Exec Dt:

06/29/2000

VOIVODOV, KAMEN

Exec Dt:

08/28/2000

YIP, TAI-TUNG

Exec Dt:

06/19/2000

BEECHER, JODY

Exec Dt:

06/19/2000

Assignee:

CIPHERGEN BIOSYSTEMS, INC.

6611 DUMBARTON CIRCLE

FREMONT, CALIFORNIA 94555

Correspondent:

TOWNSEND AND TOWNSEND AND CREW LLP

KATHLEEN L. CHOI

TWO EMBARCADERO CENTER

8TH FLOOR

SAN FRANCISCO, CA 94111-3834

Assignment: 2

Reel/Frame:

020507/0506

Recorded: 02/14/2008

Pages: 8

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor:

CIPHERGEN BIOSYSTEMS, INC.

Exec Dt:

11/12/2006

Assignee:

BIO-RAD LABORATORIES, INC.

1000 ALFRED NOBEL DRIVE

HERCULES, CALIFORNIA 94547

Correspondent:

JULIE CLOUGH

2 EMBARCADERO CENTER, 8TH FLOOR

SAN FRANCISCO, CA 94111

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