Title:
Automatic drill
United States Patent 2842131
US Patent References:
/0012728.html
- - 0012728

Means for operating upon the heelportions of shoes
- - 2131845

/2504075.html
- - 2504075

Automatic trepans
- - 2525669


Inventors:
Smith, George W.
Publication Date:
07/08/1958
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Assignee:
Smith, George W.
Primary Class:
606/173
Other Classes:
408/139, 606/80, 408/224, 192/34
International Classes:
A61B17/16