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US Patent: 419,638
Screw-Driver
Patentee:
Felix Chantrell - Reading, PA

USPTO Classifications:
279/102, 76/119, 81/436

Tool Categories:
screwdrivers : screwdriver handles

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Howard P. Warner
Cyrus M. Strunk

Patent Dates:
Applied: Oct. 18, 1888
Granted: Jan. 21, 1890

Patent Pictures:
USPTO pdf tiff
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