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Patent Assignment Abstract of Title
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Total Assignments: 1
Patent #:
Issue Dt:
03/22/1988
Application #:
07026510
Filing Dt:
03/17/1987
Inventors:
GERHARD ELSNER, JOHANN GRESCHNER, HOLGER HINKEL
Title:
METHOD OF FORMING IDENTICALLY POSITIONED ALIGNMENT MARKS ON OPPOSITE SIDES OF A SEMICONDUCTOR WAFER
Assignment: 1
Reel/Frame:
004764/0614Recorded: 10/01/1987Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
02/25/1987
Exec Dt:
02/25/1987
Exec Dt:
08/31/1987
Assignee:
A CORP. OF NEW YORK
ARMONK, NEW YORK 10504
Correspondent:
STEPHEN J. LIMANEK
IBM CORP., 915/972-2,
ESSEX JUNCTION, VT 05452

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