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US Patent: 387,409
Screwdriver
Patentees:
George E. Gay - Augusta, ME
John H. Parsons - Augusta, ME

USPTO Classifications:
279/102

Tool Categories:
screwdrivers : screwdriver blades

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. H. Gardner
F. I. Clark

Patent Dates:
Applied: Dec. 14, 1885
Granted: Aug. 07, 1888

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
Round bodied screwdriver blade with the end contained within the handle reduced to a cross shaped cross section to secure the blade in the handle.

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