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US Patent: 814,238
Roasting-furnace
Patentee: Thomas F. Sheridan (exact or similar names) - Chicago, IL USPTO Classifications: 165/93, 165/DIG.146 Tool Categories: specialty machines : industrial furnaces specialty machines : ore processing apparatus Assignees: Allis-Chalmers Co. - Milwaukee, WI Manufacturer: Allis-Chalmers Co. - Milwaukee, WI Witnesses: Annie C. Courtenay Jennie MacEdward	Patent Dates: Applied: Nov. 20, 1905 Granted: Mar. 06, 1906 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Allis-Chalmers Mfg. Co.

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