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US Patent: 537,681
Ratchet for screw drivers or drills
Patentee:
Zachry T. Furbish - Augusta, ME

USPTO Classifications:
74/127

Tool Categories:
screwdrivers : screwdriver mechanisms : spiral screwdrivers

Assignees:
None

Manufacturer:
North Brothers Manufacturing Co. - Philadelphia, PA

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 24, 1895
Granted: Apr. 16, 1895

Patent Pictures:
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"Vintage Machinery" entry for North Bros. Manufacturing Co.
Description:
Information taken from Clifford D. Fales' database at http://www.idcomm.com/personal/cfales/intro.htm

This patent date appears on practically all of North Brothers spiral and ratchet products but was not assigned to North Brothers at the time of the patent grant.

Marked, "FOREST CITY SCREWDRIVER CO. / PAT APR 16 1895 "YANKEE / NO. 30 / NORTH BROTHERS MFG CO./ PHILA. PA. U.S.A. / PAT. APR 16, 1895"

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