Patent Assignment
Reel/Frame 004802/0794
Assignment of Assignors Interest.
Recorded: 1987-12-17
Pages: 1
Assignor
LARA, PEDRO F.
Executed: 1987-12-10
Assignee
Covered Property
(1)
Transient Electromagnetic Method for Detecting Corrosion on Conductive Containers Having Variatuions in Jacket Thickness
Patent:
4,843,319 →
Application:
07/134,224 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 17, 2001
From: ATLANTIC RICHFIELD COMPANY
To: PHILLIPS PETROLEUM COMPANY
Reel/Frame 012333/0329 →
Change of Name
Jun 27, 2005
From: PHILLIPS PETROLEUM COMPANY
To: CONOCOPHILLIPS COMPANY
Reel/Frame 016418/0448 →
Assignment of Assignor's Interest
Jun 28, 2005
From: CONOCOPHILLIPS COMPANY
To: RONTGEN TECHNISCHE DIENST B.V.
Reel/Frame 016427/0345 →