Stabilizer for drill bit
United States Patent 2978049
US Patent References:
Well drilling bit
- - 1978084

Replaceable blade bit
- - 2521791

Well-drilling bit
- - 2599854

Fracture type rock cutter
- - 2695158


Inventors:
Skidmore, Sam C.
Crook, Fred B.
Publication Date:
04/04/1961
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Assignee:
Skidmore, Sam C.
Crook, Fred B.
Primary Class:
175/391
Other Classes:
175/413, 175/426
International Classes:
E21B10/62; E21B10/00