Honing element
United States Patent 3154893
US Patent References:
/2675654.html
- - 2675654

Honing element
- - 2751726

Abrasive element
- - 2952952


Inventors:
Greenberg, Donald K.
Casson, Kenneth H.
Publication Date:
11/03/1964
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Assignee:
BARNES DRILL CO
Primary Class:
451/540
Other Classes:
451/470
International Classes:
B24B33/08; B24B33/00