Patent Assignment
Reel/Frame 004596/0184
Assignment of Assignors Interest.
Recorded: 1986-08-29
Pages: 1
Assignee
PACTEL COMMUNICATIONS COMPANIES, A CA. CORP.
140 NEW MONTGOMERY STREET, SAN FRANCISCO, CALIFORNIA, 94105
Covered Property
(1)
Network Diagnostic Apparatus and Method
Patent:
4,750,175 →
Application:
06/902,197 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
May 11, 1992
From: PACTEL COMMUNICATIONS COMPANIES, A CA CORP.
To: INTERNATIONAL BUSINESS MACHINES CORPORATION, A NEW YORK CORP.
Reel/Frame 006083/0642 →
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 →