Patent Assignment
Reel/Frame 023933/0088
Assignment of Assignor's Interest
Recorded: 2010-02-12
Pages: 3
Assignors
CRAWFORD, MICHAEL BURL
Executed: 2009-12-11
NUNLEY, PELE JASON
Executed: 2009-12-11
FLAK, RICHARD AUGUST
Executed: 2009-12-11
Assignee
ULTERRA DRILLING TECHNOLOGY, L.P.
7601 WILL ROGERS BLVD., FORT WORTH, TEXAS, 76140
Covered Property
(1)
Helical Chisel Insert for Rock Bits
Application:
12/373,938 →
Publication:
US 2010/0126775