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Patent Assignment Details
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Reel/Frame:005162/0971   Pages: 4
Recorded: 10/13/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Total properties: 1
1
Patent #:
Issue Dt:
07/02/1991
Application #:
07421217
Filing Dt:
10/13/1989
Title:
OPTICAL AMPLIFIER-PHOTODETECTOR DEVICE
Assignors
1
Exec Dt:
10/12/1989
2
Exec Dt:
10/12/1989
3
Exec Dt:
10/12/1989
Assignees
1
600 MOUNTAIN AVENUE
MURRAY HILL, NEW JERSEY 07974-2070
2
550 MADISON AVENUE
NEW YORK, NEW YORK 10022-3201
Correspondence name and address
A. E. HIRSCH, JR.
AT&T BELL LABORATORIES
600 MOUNTAIN AVENUE
MURRAY HILL, NJ 07974-2070

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