US Patent: 57,205 - Improved saw-toothing machine


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US Patent: 57,205

Improved saw-toothing machine

Patentee:

Adam Sowden (exact or similar names) - Cincinnati, OH

USPTO Classifications:

76/29

Tool Categories:

tool making : making sawblades

woodworking machines : specialty woodworking machines : tool making machines

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

George H. Knight

James H. Layman

Patent Dates:
Granted:	Aug. 14, 1866

Patent Pictures:

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Description:

We could not determine what the inventor was doing at the time this patent was issued. By 1867 he was partner in saw-making firm Ritter, Hogan & Sowden, which became Hogan & Sowden by 1874.