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Patent number:
Patent Date:
US Patent: 917,319
Breast-drill
Patentee:
George O. Leopold (
exact
or
similar
names) - Philadelphia, PA
USPTO Classifications:
74/134
,
74/366
,
81/30
,
81/33
Tool Categories:
woodworking tools
:
hand drills
:
breast drills
Assignees:
North Brothers Manufacturing Co.
- Philadelphia, PA
Manufacturer:
North Brothers Manufacturing Co.
- Philadelphia, PA
Witnesses:
William A. Barr
Joseph H. Klein
Patent Dates:
Applied:
May 01, 1907
Granted:
Apr. 06, 1909
Patent Pictures:
USPTO
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Google Patents
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