Patent Assignment
Reel/Frame 005784/0398
Assignment of Assignors Interest.
Recorded: 1991-08-05
Pages: 4
Assignor
PLESSEY COMPANY LIMITED, THE
Executed: 1991-06-13
Assignee
GEC-MARCONI LIMITED
THE GROVE, WARREN LANE, STANMORE, MIDDLESEX, HA7 4LY, ENGLAND, UNITED KINGDOM
Covered Properties
(2)
Application of Lithium Tetraborate to Saw Devices
Patent:
4,523,119 →
Application:
06/625,590 →
Application of Lithium Tetraborate to Electronic Devices
Patent:
4,634,913 →
Application:
06/703,653 →
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 21, 1985
From: WHATMORE, ROGER W.; YOUNG, IAIN M.
To: PLESSEY OVERSEAS LIMITED
Reel/Frame 004374/0788 →
Assignment of Assignors Interest.
Apr 2, 1992
From: PLESSEY OVERSEAS LIMITED
To: PLESSEY COMPANY LIMITED, THE
Reel/Frame 006056/0524 →
Assignment of Assignor's Interest
Dec 27, 2000
From: MARCONI ELECTRONIC SYSTEMS LIMITED
To: MARCONI CASWELL LIMITED
Reel/Frame 011400/0905 →
Assignment of Assignor's Interest
Jul 7, 2004
From: MARCONI OPTICAL COMPONENTS, LTD.
To: MARCONI UK INTELLECTUAL PROPERTY LTD.
Reel/Frame 015552/0798 →