E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 10/08 (2006.01) E21B 10/20 (2006.01) E21B 10/22 (2006.01) E21B 47/01 (2006.01)
Patent
CA 2426522
A drill bit, comprising a bit body, a sensor disposed in the bit body, a single journal removably mounted to the bit body, and a roller cone rotatably mounted to the single journal.
Moran David Patrick
Witman George Bodo IV
Borden Ladner Gervais Llp
Smith International Inc.
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