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US Patent: 1,008,164
Screw-Driver
Ratchet Screw-Driver
Patentee:
George O. Leopold (exact or similar names) - Philadelphia, PA

USPTO Classifications:
81/60

Tool Categories:
screwdrivers : screwdriver mechanisms : ratcheting screwdrivers

Assignees:
North Brothers Manufacturing Co. - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
William E. Shupe
William A. Barr

Patent Dates:
Applied: Mar. 29, 1911
Granted: Nov. 07, 1911

Patent Pictures:
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