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Patent Assignment Details

NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:	005251/0847			Pages:	3
		Recorded:	02/20/1990
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Total properties: 34

Patent #:	3587334	Issue Dt:		Application #:	04850737	Filing Dt:
Title:

Patent #:	3622856	Issue Dt:		Application #:	04850785	Filing Dt:
Title:

Patent #:	3604546	Issue Dt:		Application #:	04850786	Filing Dt:
Title:

Patent #:	3617751	Issue Dt:		Application #:	04850976	Filing Dt:
Title:

Patent #:	3671748	Issue Dt:		Application #:	05066211	Filing Dt:
Title:

Patent #:	3693066	Issue Dt:		Application #:	05066343	Filing Dt:
Title:

Patent #:	3660782	Issue Dt:		Application #:	05066344	Filing Dt:
Title:

Patent #:	3702732	Issue Dt:		Application #:	05140344	Filing Dt:
Title:

Patent #:	3704657	Issue Dt:		Application #:	05140348	Filing Dt:
Title:

Patent #:	3704945	Issue Dt:		Application #:	05140349	Filing Dt:
Title:

Patent #:	3746446	Issue Dt:		Application #:	05140350	Filing Dt:
Title:

Patent #:	3704655	Issue Dt:		Application #:	05140428	Filing Dt:
Title:

Patent #:	3759613	Issue Dt:		Application #:	05140465	Filing Dt:
Title:

Patent #:	3802940	Issue Dt:		Application #:	05222391	Filing Dt:
Title:

Patent #:	3902615	Issue Dt:		Application #:	05340281	Filing Dt:
Title:

Patent #:	3884573	Issue Dt:		Application #:	05437746	Filing Dt:
Title:

Patent #:	3930237	Issue Dt:		Application #:	05448892	Filing Dt:
Title:

Patent #:	3941486	Issue Dt:		Application #:	05475961	Filing Dt:
Title:

Patent #:	3955163	Issue Dt:		Application #:	05482202	Filing Dt:
Title:

Patent #:	3969004	Issue Dt:		Application #:	05494111	Filing Dt:
Title:

Patent #:	3972424	Issue Dt:		Application #:	05604805	Filing Dt:
Title:

Patent #:	4091316	Issue Dt:		Application #:	05620125	Filing Dt:
Title:

Patent #:	4133918	Issue Dt:		Application #:	05797738	Filing Dt:
Title:

Patent #:	4244012	Issue Dt:	01/06/1981	Application #:	05920289	Filing Dt:	06/29/1978
Title:	LAMP HOLDER FOR PROJECTION ALIGNER

Patent #:	4265542	Issue Dt:	05/05/1981	Application #:	06020294	Filing Dt:	03/14/1979
Title:	APPARATUS AND METHOD FOR FINE ALIGNMENT OF A PHOTOMASK TO A SEMICONDUCTOR WAFER

Patent #:	4328553	Issue Dt:	05/04/1982	Application #:	06184690	Filing Dt:	09/08/1980
Title:	METHOD AND APPARATUS FOR TARGETLESS WAFER ALIGNMENT

Patent #:	4376580	Issue Dt:	03/15/1983	Application #:	06239547	Filing Dt:	03/02/1981
Title:	PROJECTION ALIGNER WITH BENDING MIRROR

Patent #:	4408874	Issue Dt:	10/11/1983	Application #:	06261674	Filing Dt:	05/07/1981
Title:	PROJECTION ALIGNER WITH SPECIFIC MEANS FOR BENDING MIRROR

Patent #:	4446412	Issue Dt:	05/01/1984	Application #:	06319665	Filing Dt:	11/09/1981
Title:	METHOD AND APPARATUS FOR CONTROLLING STEPPER MOTORS

Patent #:	4506298	Issue Dt:	03/19/1985	Application #:	06440301	Filing Dt:	11/09/1982
Title:	METHOD AND APPARATUS FOR DISPLAYING OBJECTS ON AN INTERLACED RASTER SCAN TELVISION SCREEN

Patent #:	5029111	Issue Dt:	07/02/1991	Application #:	07043705	Filing Dt:	04/29/1987
Title:	SHARED BIT-PLANE DISPLAY SYSTEM

Patent #:	4803306	Issue Dt:	02/07/1989	Application #:	07057610	Filing Dt:	06/03/1987
Title:	ELECTROMAGNETIC SHIELDING CLIP

Patent #:	4818893	Issue Dt:	04/04/1989	Application #:	07183319	Filing Dt:	04/06/1988
Title:	HIGH SPEED SWITCHING CIRCUIT

Patent #:	4924378	Issue Dt:	05/08/1990	Application #:	07205986	Filing Dt:	06/13/1988
Title:	LICENSE MANAGEMENT SYSTEM AND LICENSE STORAGE KEY

Assignor

COMPUTERVISION CORPORATION

Exec Dt:

02/12/1990

Assignee

PRIME COMPUTER INC.

A DE CORP.

NATICK, MASSACHUSETTS

Correspondence name and address
	ROBERT M. ASHER
	DIKE, BRONSTEIN, ROBERTS, CUSHMAN
	& PFUND, 130 WATER STREET
	BOSTON, MA 02109

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