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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
02/08/1994
Application #:
07806561
Filing Dt:
12/12/1991
Inventors:
LEONARD GEORGE COHEN, JACK HARRIMAN WINTERS
Title:
OPTICAL COMMUNICATION NETWORK WITH PASSIVE MONITORING
Assignment: 1
Reel/Frame:
005961/0449Recorded: 12/12/1991Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
12/10/1991
Exec Dt:
12/11/1991
Assignee:
550 MADISON AVENUE
NEW YORK, NEW YORK 10022-3201
Correspondent:
EUGEN E. PACHER
AT&T BELL LABORATORIES
600 MOUNTAIN AVENUE (RM. 3C-512)
P.O. BOX 636
MURRAY HILL, NJ 07974-0636
Assignment: 2
Reel/Frame:
006285/0330Recorded: 10/23/1992Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
10/16/1992
Exec Dt:
10/15/1992
Assignee:
32 AVENUE OF TRHE AMERICAS
NEW YORK, NEW YORK 10013-2412
Correspondent:
P. V. D. WILDE, AT&T BELL LABORATORIES
EUGEN E. PACHER
POST OFFICE BOX 636, 600 MOUNTAIN AVE.
MURRAY HILL, NJ 07974-0636
Assignment: 3
Reel/Frame:
014402/0797Recorded: 08/27/2003Pages: 21
Conveyance:
SECURITY AGREEMENT
Assignor:
Exec Dt:
05/28/2003
Assignee:
P.O. BOX 2558
HOUSTON, TEXAS 77252
Correspondent:
SIMPSON THACHER & BARLETT LLP
JASON A. COHEN, ESQ.
425 LEXINGTON AVENUE
NEW YORK, NY 10017
Assignment: 4
Reel/Frame:
018590/0832Recorded: 12/07/2006Pages: 19
Conveyance:
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENT RIGHTS
Assignor:
Exec Dt:
11/30/2006
Assignee:
600 MOUNTAIN AVENUE
MURRAY HILL, NEW JERSEY 07974
Correspondent:
KIRSTIE HOWARD, ESQ.
SIMPSON THACHER & BARTLETT LLP
425 LEXINGTON AVENUE
NEW YORK, NY 10017

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