Patent Assignment
Reel/Frame 014057/0254
Assignment of Assignor's Interest
Recorded: 2003-05-13
Pages: 4
Assignor
BOISVERT, LOREN
Executed: 2003-04-15
Assignee
ABB VETCO GRAY INC.
3010 BRIARPARK, THIRD FLOOR, HOUSTON, TEXAS, 77042
Covered Property
(1)
Drill String Shutoff Valve
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 17, 2002
From: CHAN, KWONG-ONN C.; MOVAFFAGH, BEHROOZ; BOISVERT, LOREN
To: ABB VETCO GRAY INC.
Reel/Frame 013594/0018 →
Change of Name
Dec 16, 2004
From: ABB VETCO GRAY INC.
To: VETCO GRAY INC.
Reel/Frame 015479/0905 →
Assignment of Assignor's Interest
Aug 9, 2012
From: VETCO GRAY INC.
To: PRESSSOL LTD.
Reel/Frame 028757/0314 →