Patent Assignment
Reel/Frame 028166/0412
Assignment of Assignor's Interest
Recorded: 2012-05-07
Pages: 3
Assignor
PILGRIM, RICK
Executed: 2010-06-21
Assignee
LETOURNEAU TECHNOLOGIES, INC.
6401 W. SAM HOUSTON PARKWAY NORTH, HOUSTON, TEXAS, 77041
Covered Property
(1)
System and Methods for Continuous and Near Continuous Drilling