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US Patent: 2,110,367
Air Conditioning System
Patentee: Irving J. Knudson (exact or similar names) - Kenilworth, Cook County, IL USPTO Classifications: 165/245, 165/54, 236/1C Tool Categories: specialty machines : air conditioning apparatus Assignees: Detroit Lubricator Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 25, 1935 Granted: Mar. 08, 1938 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Detroit Lubricator Co.

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