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Patent Assignment Details
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Reel/Frame:008401/0179   Pages: 4
Recorded: 03/17/1997
Conveyance: CORRECTIVE ASSIGNMENT. ASSIGNMENT PREVIOUSLY RECORDED AT REEL 7919, FRAME 0028 TO CORRECT THE ASSIGNEE.
Total properties: 5
1
Patent #:
Issue Dt:
06/09/1981
Application #:
06062757
Filing Dt:
08/01/1979
Title:
HELICALLY WOUND HEATER
2
Patent #:
Issue Dt:
05/06/1986
Application #:
06681952
Filing Dt:
12/14/1984
Title:
MULTI-ZONE FURNACE SYSTEM
3
Patent #:
Issue Dt:
08/18/1987
Application #:
06749573
Filing Dt:
06/27/1985
Title:
ELECTRIC FURNACE HEATER
4
Patent #:
Issue Dt:
05/09/1989
Application #:
07146413
Filing Dt:
01/21/1988
Title:
HIGH EFFICIENCY HIGH HEAT OUTPUT ELECTRICAL HEATER ASSEMBLY
5
Patent #:
Issue Dt:
06/23/1992
Application #:
07667561
Filing Dt:
03/11/1991
Title:
METHOD FOR THE FORMATION OF FLUORINE DOPED METAL OXIDE FILMS
Assignor
1
Exec Dt:
04/18/1996
Assignee
1
23 ESQUIRE ROAD
NORTH BILLERICA, MASSACHUSETTS 01862
Correspondence name and address
WEINGARTEN, SCHURGIN, GAGNEBIN & HAYES
STANLEY M. SCHURGIN
TEN POST OFFICE SQUARE
BOSTON, MA 02109

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