Patent Assignment
Reel/Frame 022644/0302
Assignment of Assignor's Interest
Recorded: 2009-05-06
Pages: 4
Assignors
PLUNKETT, TIMOTHY J.
Executed: 2009-05-01
WOLFER, DALE R.
Executed: 2009-05-01
CAMPBELL, PAUL
Executed: 2009-05-01
Assignee
ATLAS COPCO SECOROC LLC
1600 S. GREAT SOUTHWEST PARKWAY, GRAND PRAIRIE, TEXAS, 75051
Covered Property
(1)
Variable Frequency Control for Down Hole Drill and Method
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.