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US Patent: 845,978
Screw-driver attachment
Patentee:
Francis Delos Rappelee (exact or similar names) - Green Bay, WI

USPTO Classifications:
81/452

Tool Categories:
screwdrivers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Harvey R. Barnard
Edward J. Newschwande
Patent Dates:
Applied: Dec. 07, 1906
Granted: Mar. 05, 1907

Patent Pictures:
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