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Patent Assignment Abstract of Title

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Total Assignments: 2

Patent #:	5055964	Issue Dt:	10/08/1991	Application #:	07579439	Filing Dt:	09/07/1990
Inventors:	JOSEPH S. LOGAN, RAYMOND R. RUCKEL, ROBERT E. TOMPKINS, ROBERT P. WESTERFIELD JR.
Title:	ELECTROSTATIC CHUCK HAVING TAPERED ELECTRODES

Assignment: 1

Reel/Frame:

005428/0747

Recorded: 09/07/1990

Pages: 3

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST.

Assignors:

LOGAN, JOSEPH S.

Exec Dt:

08/30/1990

RUCKEL, RAYMOND R.

Exec Dt:

08/31/1990

TOMPKINS, ROBERT E.

Exec Dt:

09/04/1990

WESTERFIELD, ROBERT P. JR.

Exec Dt:

08/31/1990

Assignee:

INTERNATIONAL BUSINESS MACHINES CORPORATION, A CORP OF NY

ARMONK, NEW YORK 10504

Correspondent:

PHILIP J. FEIG

IBM CORPORATION - P. O. BOX 218

YORKTOWN HEIGHTS, NY 10598

Assignment: 2

Reel/Frame:

011722/0579

Recorded: 04/09/2001

Pages: 4

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor:

INTERNATIONAL BUSINESS MACHINES CORPORATION

Exec Dt:

03/19/2001

Assignee:

DORSEY GAGE CO., INC.

253 MANSION STREET

POUGHKEEPSIE, NEW YORK 12601

Correspondent:

PRAXAIR, INC.

JOANN M. JELSA

LAW DEPARTMENT-M1-557

39 OLD RIDGEBURY ROAD

DANBURY, CT 06810-5113

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