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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
08/20/1991
Application #:
07425644
Filing Dt:
10/23/1989
Inventors:
ROBERT C. LEE, JAMES M. LEIGHTON, GERARD P. O REILLY, DONALD E. SMITH
Title:
METHOD AND APPARATUS FOR PROVIDING REAL-TIME SWITCHING OF HIGH BANDWIDTH TRANSMISSION CHANNELS
Assignment: 1
Reel/Frame:
005163/0450Recorded: 10/23/1989Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
10/18/1989
Exec Dt:
10/20/1989
Exec Dt:
10/20/1989
Exec Dt:
10/20/1989
Assignees:
600 MOUNTAIN AVENUE,
MURRAY HILL,, NEW JERSEY 07974
550 MADISON AVENUE,
NEW YORK,, NEW YORK 10022-3201
Correspondent:
A.E. HIRSCH, JR.
AT&T BELL LABORATORIES
600 MOUNTAIN AVENUE
MURRAY HILL, NJ 07974-2070
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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