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US Patent: 391,571
Windmill
Patentee:
Frank D. Winkley - Madison, WI

USPTO Classifications:
416/139, 416/159

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William H. Mihills
Charles G. Mayers

Patent Dates:
Applied: Apr. 17, 1888
Granted: Oct. 23, 1888

Patent Pictures:
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