Patent Assignment
Reel/Frame 006348/0542
Change of Name Effective on 12/01/1991
Recorded: 1992-12-11
Pages: 3
Assignor
PLEXUS OCEAN SYSTEMS LTD.
Executed: 1991-12-01
Assignee
INGRAM CACTUS LIMITED
WELLHEADS CRESCENT, DYCE INDUSTRIAL PARK, ABERDEEN SCOTLAND, AB2 OGA, UNITED KINGDOM
Covered Property
(1)
Annulus Cementing and Washout Systems for Wells
Patent:
4,856,592 →
Application:
07/134,628 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Dec 16, 1987
From: VAN BILDERBEEK, BERNARD H.; MILNE, IAN F.
To: PLEXUS OCEAN SYSTEMS LIMITED, COACH HOUSE, 60A HAMILTON PLACE, ABERDEEN AB2 4BH, SCOTLAND, GREAT BRITAIN
Reel/Frame 004805/0610 →
Assignment of Assignor's Interest
Aug 21, 1996
From: INGRAM CACTUS COMPANY
To: COOPER CAMERON CORPORATION
Reel/Frame 008113/0832 →