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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
08/21/1984
Application #:
06403205
Filing Dt:
07/29/1982
Inventor:
ERIK K. NELSON
Title:
HALF TONE SCREEN EXPOSURE APPARATUS
Assignment: 1
Reel/Frame:
004028/0324Recorded: 07/29/1982Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
07/20/1982
Assignee:
A CORP OF DE.
LEXINGTON, MASSACHUSETTS
Correspondent:
HOMER O. BLAIR
ITEK CORP., 10 MAGUIRE RD.
LEXINGTON, MA 02173
Assignment: 2
Reel/Frame:
004520/0607Recorded: 02/13/1986Pages: 9
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
02/05/1986
Assignee:
800 SOUTH STREET, 5TH FLOOR
WALTHAM, MASSACHUSETTS 02254-9055
Correspondent:
MARTIN P. HOFFMAN
522 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA, 22202
Assignment: 3
Reel/Frame:
004552/0917Recorded: 05/06/1986Pages: 25
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/05/1986
Assignee:
1211 AVENUE OF THE AMERICAS
A CORP. OF NY
NEW YORK, NEW YORK 10036
Correspondent:
FEDERAL DOCUMENT RETRIEVAL /KC
514 C ST. NE.
WASHINGTON DC 20002

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