IP Library › Assignment 049144/0794
Patent Assignment
Reel/Frame 049144/0794

Assignment of Assignor's Interest

Recorded: 2019-05-10 Pages: 8
Assignor
RAIRIGH, JAMES G.
Executed: 2019-05-03
Assignee
W.T. BELL INTERNATIONAL, INC.
8811 EMMOTT ROAD, STE 1900, HOUSTON, TEXAS, 77040-3541
Covered Property (1)
Explosive Well Tool Firing Head
Patent: 8,136,439 →
Application: 12/798,269 →
Publication: US 2010/0212480
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 13, 2019
From: HAMMOND, SHARON LOUISE; BELL, ELAINE FAYE
To: W.T. BELL INTERNATIONAL, INC.
Reel/Frame 049162/0543 →
Assignment of Assignor's Interest May 20, 2019
From: BELL, THOMAS VINCENT
To: W.T. BELL INTERNATIONAL, INC.
Reel/Frame 049234/0224 →