Patent Assignment
Reel/Frame 019570/0633
Assignment of Assignor's Interest
Recorded: 2007-07-18
Pages: 2
Assignor
FOOTE, DEAN
Executed: 2007-06-27
Assignee
DARWELL INUSTRIES LTD.
9755 51 AVENUE NW, EDMONTON, ALBERTA, T6H 4W8, CANADA
Covered Property
(1)
Seal configuration to reduce seal extrusion
Application:
10/723,846 →
Publication:
US 2004/0104540
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 10, 2011
From: DELBRIDGE, SCOTT
To: A.P.I. VALVE & B.O.P. SERVICES LTD.
Reel/Frame 025786/0405 →
Change of Name
Feb 5, 2013
From: A.P.I. VALVE & B.O.P. SERVICES LTD.
To: ALBERTA PETROLEUM INDUSTRIES VALVE & B.O.P. SERVICES LTD.
Reel/Frame 029755/0436 →
Change of Name
Feb 5, 2013
From: ALBERTA PETROLEUM INDUSTRIES VALVE & B.O.P. SERVICES LTD.
To: ALBERTA PETROLEUM INDUSTRIES LTD.
Reel/Frame 029755/0455 →