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US Patent: 337,245
File Handle
Patentee:
John Chantrell (exact or similar names) - Reading, PA

USPTO Classifications:
279/53

Tool Categories:
industrial tools : tool handles

Assignees:
Reading Hardware Company - Reading, PA

Manufacturer:
Not known to have been produced

Witnesses:
Geo. A. Hickman
Isaac R. Fisher
E. C. Perkins
C. E. Ruggles
Patent Dates:
Applied: Oct. 05, 1885
Granted: Mar. 02, 1886

Patent Pictures:
John Chantrell patent March 2, 1886
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Description:
The sleeve with internal teeth clamps on to the tang as the handle is screwed tight.

Pat. no. 337,244 is a parallel handle.

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