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US Patent: 428,012
Screw-driver
Patentee:
Joseph Lucas (exact or similar names) - New York, NY

USPTO Classifications:
74/127

Tool Categories:
screwdrivers : screwdriver mechanisms : spiral screwdrivers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John J. Dinneen
W. G. Campbell
Patent Dates:
Applied: Mar. 26, 1889
Granted: May 13, 1890

Patent Pictures:
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