Patent Assignment
Reel/Frame 019893/0844
Assignment of Assignor's Interest
Recorded: 2007-09-28
Pages: 2
Assignor
VAIL, WILLIAM BANNING, III
Executed: 2003-02-14
Assignee
SMART DRILLING AND COMPLETION, INC.
3123 - 198TH PLACE S.E., BOTHELL, WASHINGTON, 98012
Covered Property
(1)
Method and Apparatus for Cementing Drill Strings in Place for One Pass Drilling and Completion of Oil and Gas Wells
Application:
11/761,270 →
Publication:
US 2008/0041631
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.