US Patent: 84,722 - Improvement in saws


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US Patent: 84,722

Improvement in saws

Patentee:

John L. Warren (exact or similar names) - Detroit, MI

USPTO Classifications:

83/837

Tool Categories:

woodworking tools : handsaws : backsaws : dovetail saws

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

H. S. Sprague

John Mercier

Patent Dates:
Granted:	Dec. 08, 1868

Patent Pictures:

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Description:

This patent covers a saw with a double-edged blade that can cut sharp angles, such as in cutting dovetail joints. Patent 72,582 anticipated this patent, and 92,080 was a later arrival to the same idea.