Patent Assignment
Reel/Frame 004779/0944
Assignment of Assignors Interest.
Recorded: 1987-11-02
Pages: 2
Assignors
GALAND, CLAUDE
Executed: 1987-07-30
ROULIER, GUY
Executed: 1987-07-30
VERMOT-GAUCHY, ROBERT
Executed: 1987-07-30
CERF-DANON, HELENE
Executed: 1987-09-14
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION, A CORP. OF NEW YORK
ARMONK, NEW YORK, 10504
Covered Property
(1)
Tone Detection Process and Device for Implementing Said Process
Patent:
4,782,523 →
Application:
07/043,053 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 27, 2000
From: CISCO SYSTEMS, INC., A CORPORATION OF CALIFORNIA
To: CISCO TECHNOLOGY, INC., A CORPORATION OF CALIFORNIA
Reel/Frame 010756/0122 →
Assignment of Assignor's Interest
Jun 14, 2000
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: CISCO SYSTEMS, INC.
Reel/Frame 010832/0878 →