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US Patent: 939,042
Gearing
Patentee:
George O. Leopold - Philadelphia, PA

USPTO Classifications:
74/134, 74/366, 81/34

Tool Categories:
woodworking tools : hand drills : eggbeater drills
woodworking tools : hand drills : breast drills

Assignees:
North Brothers Manufacturing Co. - Philadelphia, PA

Manufacturer:
North Brothers Manufacturing Co. - Philadelphia, PA

Witnesses:
Joseph H. Klein
William A. Barr

Patent Dates:
Applied: Jun. 29, 1908
Granted: Nov. 02, 1909

Patent Pictures:
Leopold 939,042
USPTO pdf tiff
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Description:
George is back with more great ideas about breast drill gearing.

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