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US Patent: 1,262,869
Disc Sharpener
Patentee:
Joseph E. Thompson - Kagawong, ON Canada

USPTO Classifications:
33/542, 33/572

Tool Categories:
agricultural machines : sharpeners

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Jul. 28, 1917
Granted: Apr. 16, 1918

Patent Pictures:
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Description:
M. S. Babcock - patent attorney

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