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US Patent: 917,319
Breast-drill
Patentee:
George O. Leopold - 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:
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