Patent Assignment
Reel/Frame 027397/0093
Assignment of Assignor's Interest
Recorded: 2011-12-15
Pages: 5
Assignor
CHREST, BENJAMIN
Executed: 2011-12-15
Assignee
ULTERRA DRILLING TECHNOLOGIES, L.P.
420 THROCKMORTON, SUITE 1110, FORT WORTH, TEXAS, 76102
Covered Property
(1)
Drag Drill Bit With Hybrid Cutter Layout Having Enhanced Stability
Application:
13/327,577 →
Publication:
US 2013/0153305
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.