IP Library › Assignment 038959/0934
Patent Assignment
Reel/Frame 038959/0934

Assignment of Assignor's Interest

Recorded: 2016-06-20 Pages: 2
Assignor
SIGMAR, AXEL M.
Executed: 2015-11-10
Assignee
T&T ENGINEERING SERVICES, INC.
16131 NORTH ELDRIDGE PARKWAY, SUITE 200, TOMBALL, TEXAS, 77377
Covered Property (1)
Raise-Assist and Smart Energy System for a Pipe Handling Apparatus
Patent: 8,876,452 →
Application: 13/466,911 →
Publication: US 2012/0275882
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 20, 2016
From: ORGERON, KEITH J.
To: T&T ENGINEERING SERVICES, INC.
Reel/Frame 038959/0804 →
Assignment of Assignor's Interest Dec 15, 2016
From: T&T ENGINEERING SERVICES, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 040941/0203 →