IP Library › Assignment 028757/0314
Patent Assignment
Reel/Frame 028757/0314

Assignment of Assignor's Interest

Recorded: 2012-08-09 Pages: 4
Assignor
VETCO GRAY INC.
Executed: 2012-07-26
Assignee
PRESSSOL LTD.
8 LAKE PLACID BAY SE, CALGARY, T2J 5A6, CANADA
Covered Properties (3)
Drill String Shutoff Valve
Patent: 6,918,452 →
Application: 10/321,087 →
Publication: US 2004/0112641
Drill String Shutoff Valve
Patent: 7,017,682 →
Application: 10/677,871 →
Publication: US 2004/0112643
Drill String Shutoff Valve
Patent: 7,090,033 →
Application: 10/677,917 →
Publication: US 2004/0112644
Related Assignments (3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 2, 2003
From: CHAN, KWONG-ONN C.; MOVAFFAGH, BEHROOZ; HE, XIAOPING
To: ABB VETCO GRAY INC.
Reel/Frame 014581/0750 →
Assignment of Assignor's Interest Oct 2, 2003
From: CHAN, KWONG-ONN C.; MOVAFFAGH, BEHROOZ; HE, XIAOPING; BOISVERT, LOREN PIERRE
To: ABB VETCO GRAY INC.
Reel/Frame 014583/0146 →
Change of Name Dec 16, 2004
From: ABB VETCO GRAY INC.
To: VETCO GRAY INC.
Reel/Frame 015479/0905 →