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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
06/30/1981
Application #:
06089631
Filing Dt:
10/30/1979
Inventors:
MARTIN A. BECK, JOHN H. FABRICIUS, DONALD G. LANDIS
Title:
DIFFUSION FURNACE MICROCONTROLLER
Assignment: 1
Reel/Frame:
005693/0052Recorded: 05/09/1991Pages: 22
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
05/03/1991
Assignee:
A NATIONAL BANKING ASSOCIATION
100 FEDERAL STREET
BOSTON, MASSACHUSETTS 02110
Correspondent:
MARIA M. PARK
BINGHAM, DANA & GOULD
150 FEDERAL STREET
BOSTON, MA. 02110
Assignment: 2
Reel/Frame:
006056/0697Recorded: 03/18/1992Pages: 9
Conveyance:
RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/06/1992
Assignee:
A CORPORATION OF DE
23 ESQUIRE ROAD
BILLERICA, MASSACHUSETTS 01862
Correspondent:
ROPES & GRAY
BARBARA COLERAN
ONE INTERNATIONAL PLACE
BOSTON, MA 02110-2624
Assignment: 3
Reel/Frame:
006080/0665Recorded: 04/24/1992Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
04/16/1992
Assignee:
23 ESQUIRE ROAD
NORTH BILLERICA, MASSACHUSETTS 01862
Correspondent:
MORGAN, LEWIS & BOCKIUS
1800 M STREET, N.W.
WASHINGTON, DC 20036
Assignment: 4
Reel/Frame:
006206/0315Recorded: 07/20/1992Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
07/10/1992
Assignee:
25 ESQUIRE ROAD
NORTH BILLERICA, MASSACHUSETTS 01862
Correspondent:
WEINGARTEN, SCHURGIN, GAGNEBIN & HAYES
STANLEY M. SCHURGIN
TEN POST OFFICE SQUARE
BOSTON, MASSACHUSETTS 02109

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