Patent Assignment
Reel/Frame 004564/0780
Assignment of Assignors Interest.
Recorded: 1986-06-16
Pages: 1
Assignor
MADDENS, FRANCIS
Executed: 1986-06-03
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
A CORP. OF NEW YORK, ARMONK, NEW YORK, 10504
Covered Property
(1)
Device for Detecting a Data Signal Energy Drop
Patent:
4,780,886 →
Application:
06/874,912 →
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 →