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US Patent: 507,968
Ratchet-drill
Patentee:
Charles T. Burr (exact or similar names) - Ithaca, NY

USPTO Classifications:
408/122.5, 74/134

Tool Categories:
woodworking tools : hand drills

Assignees:
Greene, Tweed & Co. - New York, NY

Manufacturer:
Not known to have been produced

Witnesses:
H. M. Seamans
Mark W. Dewey

Patent Dates:
Applied: Feb. 23, 1893
Granted: Oct. 31, 1893

Patent Pictures:
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