Patent Assignment
Reel/Frame 013876/0632
Assignment of Assignor's Interest
Recorded: 2003-03-18
Pages: 3
Assignor
DENNIS, JOHN G.
Executed: 2003-03-05
Assignee
HALLIBURTON ENERGY SERVICES, INC.
2601 BELTLINE RD., CARROLLTON, TEXAS, 75006
Covered Property
(1)
Drilling with Mixed Tooth Types