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US Patent: 1,798,422
Mechanically-operated valve apparatus Valve for gas furnace
Patentee: John T. Janette (exact or similar names) - Chicago, IL USPTO Classifications: 137/49, 137/53, 73/531 Tool Categories: household : furnaces Assignees: None Manufacturer: Janette Mfg. Co. - Chicago, IL Witnesses: Unknown	Patent Dates: Applied: Jun. 01, 1928 Granted: Mar. 31, 1931 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Janette Mfg. Co.

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