United States Patent and Trademark Office, Patent Assignment 9114/336:
Security Agreement

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Assignor
Assignee

Fiberlite Centrifuge, Inc.
Paperwork Executed April 1, 1998

Transfer

Recorded
April 13, 1998

No Logo

Hambrecht & Quist Guaranty Finance, LLC

Hambrecht & Quist Guaranty Finance, LLC
One Bush Street
San Francisco, CA 94104

Patents
Correspondent

Method For Compression Molding A Fixed Angle Centrifuge Rotor Having Sample Tube Aperture Inserts

USX0Patent Application No. 08561525, Filed November 21, 1995

USB1Utility Patent No. 5833908, Issued November 10, 1998

Process For Making A Net Shaped Composite Material Fixed Angle Centrifuge Rotor

USX0Patent Application No. 08863248, Filed May 27, 1997

USB1Utility Patent No. 6056910, Issued May 2, 2000

Method For Compression Molding A Composite Material Fixed Angle Rotor

USX0Patent Application No. 08753840, Filed December 2, 1996

USB1Utility Patent No. 5776400, Issued July 7, 1998

Helically Woven Composite Rotor

USX0Patent Application No. 08792051, Filed February 3, 1997

USB1Utility Patent No. 5876322, Issued March 2, 1999

Compression Mold For Forming A Composite Material Fixed Angle Rotor

USX0Patent Application No. 08753839, Filed December 2, 1996

USB1Utility Patent No. 5759592, Issued June 2, 1998

Fixed Angle Composite Centrifuge Rotor Fabrication With Filament Windings On Angled Surfaces

USX0Patent Application No. 08249592, Filed May 26, 1994

USB1Utility Patent No. 5601522, Issued February 11, 1997

Automatic Lay-up Machine For Composite Fiber Tape

USX0Patent Application No. 08249502, Filed May 26, 1994

USB1Utility Patent No. 5540126, Issued July 30, 1996

Centrifuge Construction Having Central Stator

USX0Patent Application No. 08288387, Filed August 10, 1994

USB1Utility Patent No. 5505684, Issued April 9, 1996

Rotor Having Endless Straps For Mounting Swinging Buckets

USX0Patent Application No. 08306508, Filed September 14, 1994

USB1Utility Patent No. 5527257, Issued June 18, 1996

Compression Molded Composite Material Fixed Angle Rotor

USX0Patent Application No. 08431544, Filed May 1, 1995

USB1Utility Patent No. 5643168, Issued July 1, 1997

Quill Shaft Suspension For Centrifuge Rotor Having Central Stator

USX0Patent Application No. 08616068, Filed March 14, 1996

USB1Utility Patent No. 5683341, Issued November 4, 1997

ANNE RETTERER
Hambrecht & Quist Guaranty Finance, LLC
One Bush Street
San Francisco, CA 94104

Updated February 15, 2002

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