Patent Assignment
Reel/Frame 005257/0972
Assignment of Assignors Interest.
Recorded: 1990-03-15
Pages: 1
Assignee
CONOCO INC.
1000 SOUTH PINE, A CORP. OF DE, PONCA CITY, OKLAHOMA, 74603
Covered Property
(1)
Composite Tubular Member with Axial Fibers Adjacent the Side Walls
Patent:
5,176,180 →
Application:
07/495,010 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 6, 1996
From: CONOCO, INC.
To: FIBER SPAR AND TUBE CORPORATION
Reel/Frame 007969/0884 →
Change of Name
May 7, 2001
From: FIBER SPAR & TUBE CORPORATION
To: FIBERSPAR CORPORATION
Reel/Frame 011763/0691 →
Security Agreement
Aug 2, 2005
From: FIBERSPAR LINEPIPE LLC
To: WEATHERFORD ARTIFICIAL LIFT SYSTEMS, INC.; FIBERSPAR LINEPIPE LLC
Reel/Frame 016334/0339 →
Security Agreement
Nov 16, 2006
From: FIBERSPAR LINEPIPE LLC; FIBERSPAR LINEPIPE CANADA LTD.
To: CITIZENS BANK OF MASSACHUSETTS
Reel/Frame 018524/0318 →
Release of Security Interest
Nov 16, 2006
From: WEATHERFORD ARTIFICIAL LIFT SYSTEMS, INC.
To: FIBERSPAR LINEPIPE LLC
Reel/Frame 018524/0353 →
Security Agreement
Apr 10, 2007
From: FIBERSPAR CORPORATION
To: CITIZENS BANK OF MASSACHUSETTS
Reel/Frame 019140/0618 →