Patent Assignment
Reel/Frame 003855/0672
Assignment of Assignors Interest.
Recorded: 1981-03-27
Pages: 2
Assignor
BURD JOHN F.
Executed: 1981-03-18
Assignee
BRITISH GAS CORPORATION
59, BRYANSTON ST., A BRITISH BODY CORP., LONDON, W1A 2AZ, ENGLAND, UNITED KINGDOM
Covered Property
(1)
Pipeline Cleaning Equipment
Patent:
4,345,350 →
Application:
06/248,353 →
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 →