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US Patent: 1,393,777
Method of and apparatus for lining furnace fireboxes
Patentee: Franklin Hardinge (exact or similar names) - Chicago, IL USPTO Classifications: 264/30, 264/310 Tool Categories: specialty machines : industrial furnaces Assignees: Hardinge Brothers, Inc. - Chicago, IL Manufacturer: Not known to have been produced Witnesses: Edna V. Gustafson Emile J. Bourgeois	Patent Dates: Applied: Sep. 20, 1920 Granted: Oct. 18, 1921 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Hardinge Brothers

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