Portable hand drill
United States Patent 2637225
US Patent References:
/0390029.html
- - 0390029

/1184829.html
- - 1184829

/1220564.html
- - 1220564


Inventors:
William, Benbow Burtis
Publication Date:
05/05/1953
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Assignee:
William, Benbow Burtis
Primary Class:
408/99
Other Classes:
192/46, 254/364, 408/712
International Classes:
B23B45/14