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US Patent: 982,510
Ratchet mechanism
Patentee:
George O. Leopold (exact or similar names) - Philadelphia, PA

USPTO Classifications:
192/43.1, 192/51, 411/964, 74/134, 74/378, 74/577R, 81/34

Tool Categories:
woodworking tools : hand drills : eggbeater drills

Assignees:
North Brothers Manufacturing Co. - Philadelphia, PA

Manufacturer:
North Brothers Manufacturing Co. - Philadelphia, PA

Witnesses:
William A. Barr
Henry Howson

Patent Dates:
Applied: Aug. 28, 1909
Granted: Jan. 24, 1911

Patent Pictures:
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Description:
Improvement to ratchet mechanisms for North Brothers drills.

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