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US Patent: 814,238
Roasting-furnace
Patentee:
Thomas F. Sheridan - Chicago, IL

USPTO Classifications:
165/93, 165/DIG.146

Tool Categories:
industrial furnaces
specialty machines : industrial furnaces
specialty machines : ore processing apparatus

Assignees:
Allis-Chalmers Co. - Milwaukee, WI

Manufacturer:
Allis-Chalmers Co. - Milwaukee, WI

Witnesses:
Jennie MacEdward
Annie C. Courtenay

Patent Dates:
Applied: Nov. 20, 1905
Granted: Mar. 06, 1906

Patent Pictures:
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"Vintage Machinery" entry for Allis-Chalmers Manufacturing Co.

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