Patent Assignment
Reel/Frame 020734/0533
Assignment of Assignor's Interest
Recorded: 2008-04-01
Pages: 2
Assignor
BOELTE, WILLIAM
Executed: 2008-01-24
Assignee
ROBERTSON, MICHAEL C.
P.O. BOX 151748, ARLINGTON, TEXAS, 76015
Covered Property
(1)
Severing of Downhole Tubing with Associated Cable
Patent:
8,020,619 →
Application:
12/055,434 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 10, 2011
From: ROBERTSON, MICHAEL C.
To: MCR OIL TOOLS CORPORATION
Reel/Frame 026466/0664 →
Assignment of Assignor's Interest
Jun 30, 2011
From: MCR OIL TOOLS CORPORATION
To: ROBERTSON INTELLECTUAL PROPERTIES, LLC
Reel/Frame 026604/0018 →
Assignment of Assignor's Interest
Oct 27, 2011
From: BOELTE, WILLIAM; ROBERTSON, MICHAEL C.
To: MCR OIL TOOLS, LLC
Reel/Frame 027245/0276 →
Assignment of Assignor's Interest
Nov 29, 2011
From: MCR OIL TOOLS, LLC
To: ROBERTSON INTELLECTUAL PROPERTIES, LLC
Reel/Frame 027388/0515 →