IP Library Assignment 031356/0915
Patent Assignment
Reel/Frame 031356/0915

Assignment of Assignor's Interest

Recorded: 2013-10-07 Pages: 3
Assignor
JAHNKE, DOUGLAS
Executed: 2011-04-27
Assignee
T-3 PROPERTY HOLDINGS, INC.
140 CYPRESS STATION, SUITE 225, HOUSTON, TEXAS, 77090
Covered Property (1)
Contoured Ram Bore on Type U Blowout Preventer
Patent: 9,506,313 →
Application: 14/007,056 →
Publication: US 2014/0034293
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Aug 17, 2016
From: T-3 PROPERTY HOLDINGS, INC.
To: NATIONAL OILWELL VARCO, L.P.
Reel/Frame 039466/0248 →