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US Patent: 674,719
Screw-driver
Patentee:
Gary Leroy Woodruff (exact or similar names) - Albany, NY

USPTO Classifications:
74/127, 81/438

Tool Categories:
screwdrivers : screwdriver mechanisms : spiral screwdrivers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
B. F. Ritter
William R. Moore

Patent Dates:
Applied: Dec. 06, 1900
Granted: May 21, 1901

Patent Pictures:
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