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US Patent: 502,708
Tool Fastening
Patentee:
Robert Douglas (exact or similar names) - Fall River, MA

USPTO Classifications:
279/102

Tool Categories:
industrial tools : tool handles

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
F. McArdle
C. Sedgwick
Chester W. Greene, II
David P. Keefe
Patent Dates:
Applied: Jun. 09, 1892
Granted: Aug. 08, 1893

Patent Pictures:
Robert Douglas patent August 8, 1893
USPTO (New site tip)
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Description:
A metal "collar" attached to the tang of a file firmly holds the tang in a bore in a wooden handle.

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