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Patent Assignment Abstract of Title

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Total Assignments: 1

Patent #:	4319899	Issue Dt:	03/16/1982	Application #:	06144693	Filing Dt:	04/28/1980
Inventor:	R. CLAUDE MARSH
Title:	AIR HANDLING SYSTEM FOR LAMINAR FLOW CLEAN ENCLOSURE

Assignment: 1

Reel/Frame:

005110/0462

Recorded: 06/14/1989

Pages: 46

Conveyance:

SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors:

CLEAR SHIELD NATIONAL, INC.

Exec Dt:

06/01/1989

FILMCO INDUSTRIES, INC.

Exec Dt:

06/01/1989

PURE AIRE CORPORATION

Exec Dt:

06/01/1989

VISKASE CORPORATION

Exec Dt:

06/01/1989

SANDUSKY PLASTICS, INC.

Exec Dt:

06/01/1989

SANDUSKY PLASTICS OF DE, INC.

Exec Dt:

06/01/1989

VISKASE HOLDING CORPORATION

Exec Dt:

06/01/1989

VISKASE SALES CORPORATION

Exec Dt:

06/01/1989

ENVIRODYNE SUBSIDIARY, INC.

Exec Dt:

06/01/1989

VISKASE AUSTRALIA LIMITED AND VISKASE PUERTO RICO CORPORATION

Exec Dt:

06/01/1989

CONTINENTAL BANK N.A.

Exec Dt:

06/01/1989

Assignee:

CONTINENTAL BANK N.A.

231 SOUTH LASALLE ST.

CHICAGO, ILLINOIS 60097

Correspondent:

MAYER, BROWN & PLATT

190 SOUTH LA SALLE STREET

CHICAGO, ILLINOIS 60603-3441

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