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US Patent: 666,695
Ratchet Drill
Patentee:
Joseph B. Renshaw - Hartford, Hartford County, CT

USPTO Classifications:
408/129

Tool Categories:
metalworking tools : ratchet drills

Assignees:
None

Manufacturer:
Pratt & Whitney Co. - Hartford, Hartford County, CT

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 25, 1900
Granted: Jan. 29, 1901

Patent Pictures:
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"Vintage Machinery" entry for Pratt, Whitney & Co.

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