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US Patent: RE1,173
Hoop machine
Patentees:
Sylvester Sawyer - Fitchburg, MA
Joseph Sawyer - Fitchburg, MA

USPTO Classifications:
144/118, 144/246.1

Tool Categories:
trade specific : cooper

Assignees:
American Hoop Machine Co. - Fitchburg, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Apr. 16, 1861

Reissue Information:
Reissue of 14,833 (May 06, 1856)

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for American Hoop Machine Co.

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