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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
01/11/1994
Application #:
07892105
Filing Dt:
06/02/1992
Inventor:
WILHELM KREMER
Title:
DUAL HUBBING IN A BIDIRECTIONAL LINE-SWITCHED RING TRANSMISSION SYSTEM
Assignment: 1
Reel/Frame:
006151/0324Recorded: 06/02/1992Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
05/28/1992
Assignee:
550 MADISON AVE.
NEW YORK, NEW YORK 10022-3201
Correspondent:
AT&T BELL LABORATORIES
THOMAS STAFFORD
600 MOUNTAIN AVENUE (RM. 3C-512)
P.O. BOX 636
MURRAY HILL, NJ 07974-0636
Assignment: 2
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: 3
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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