US Patent: 500,253 - Revolving Harrow


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US Patent: 500,253

Revolving Harrow

Patentees:

Albert Johnson (exact or similar names) - Shelton, WA

Frederick Syvrnd (exact or similar names) - Shelton, WA

USPTO Classifications:

Tool Categories:

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Pictures:

Description:

J. R. Sittelly - patent attorney