Patent Assignment
Reel/Frame 013785/0120
Assignment of Assignor's Interest
Recorded: 2003-02-18
Pages: 2
Assignor
CHITWOOD, JAMES E.
Executed: 2002-08-28
Assignee
SMART DRILLING AND COMPLETION, INC.
3123-198TH PLACE S.E., BOTHELL, WASHINGTON, 98012
Covered Property
(1)
Closed-Loop Conveyance Systems for Well Servicing
Patent:
6,868,906 →
Application:
10/162,302 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 16, 2003
From: VAIL, WILLIAM BANNING III
To: SMART DRILLING AND COMPLETION, INC.
Reel/Frame 013786/0979 →
Assignment of Assignor's Interest
Jun 12, 2003
From: SMART DRILLING AND COMPLETION, INC.
To: WEATHERFORD/LAMB, INC.
Reel/Frame 014154/0736 →
Assignment of Assignor's Interest
Sep 29, 2003
From: SMART DRILLING AND COMPLETION, INC.
To: WEATHERFORD/LAMB, INC.
Reel/Frame 014007/0971 →
Assignment of Assignor's Interest
Dec 4, 2014
From: WEATHERFORD/LAMB, INC.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 034526/0272 →