Conroe, Texas
United States
2
2010-10-21
The entities that hold a legal rights for patent applications filed by inventor Chrest Benjamin J.:
Benjamin J. Chrest from Conroe, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies
#2 | 2007-05-10Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies
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