Patent Assignment
Reel/Frame 005080/0731
Assignment of Assignors Interest.
Recorded: 1989-04-26
Pages: 2
Assignee
BRITISH GAS CORPORATION, A BRITISH BODY CORP.
RIVERMILL HOUSE, 152 GROSVENOR ROAD, LONDON, SW1V 3JL, ENGLAND, UNITED KINGDOM
Covered Property
(1)
Fixing a Geographical Reference of a Vehicle Traveling Through a Pipeline
Patent:
4,857,851 →
Application:
06/695,750 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Mar 9, 1988
From: BRITISH GAS CORPORATION
To: BRITISH GAS PLC
Reel/Frame 004859/0891 →
Assignment of Assignor's Interest
Aug 25, 1998
From: BG PLC
To: PIPELINE INTEGRITY INTERNATIONAL LIMITED
Reel/Frame 009396/0243 →
Request for Corrected Address of Assignee at Reel 9396,Frame 0243
Sep 13, 1999
From: BG PLC
To: PIPELINE INTEGRITY INTERNATIONAL LIMITED
Reel/Frame 010238/0727 →