Shirttail hardfacing
United States Patent 3158214
US Patent References:
/1733241.html
- - 1733241
Method of improving the wear-resistant qualities of alpha body
- - 1855330
Method of making a hard faced cutter
- - 2057209
Pilot bearing for drill cutters
- - 2086682
/1733241.html
- - 1733241
Method of improving the wear-resistant qualities of alpha body
- - 1855330
Method of making a hard faced cutter
- - 2057209
Pilot bearing for drill cutters
- - 2086682
Inventors:
Wisler, Allen E.
Scales, Stanley R.
Scales, Stanley R.
Publication Date:
11/24/1964
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Export Citation:
Assignee:
HUGHES TOOL CO
Primary Class:
International Classes:
E21B10/50; E21B10/46
Foreign References:
| FR1244385A |