US Patent: 150,678 - Improvement in handsaw handles


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US Patent: 150,678

Improvement in handsaw handles

Patentee:

Christopher Eisenhardt (exact or similar names) - Philadelphia, PA

USPTO Classifications:

30/525

Tool Categories:

woodworking tools : handsaws : saw handles

Assignees:

Henry Disston - Philadelphia, PA

Hamilton Disston - Philadelphia, PA

Albert Disston - Philadelphia, PA

Manufacturer:

Henry Disston & Sons - Philadelphia, PA

Witnesses:

Wm. H. Wright

John A. Neff

Patent Dates:
Granted:	May 12, 1874

Patent Pictures:

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"Vintage Machinery" entry for Henry Disston & Sons

Description:

Advertised as a element of Disston and Sons' New Patent Skew Back Hand Saws. The design facilitates the use of the thumb of the left hand to assist in sawing, especially ripping.