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US Patent: 2,177,852
Refrigerating Apparatus
Patentee: David D. Wile (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 220/DIG.8, 62/167, 62/383, 62/384, 62/434 Tool Categories: specialty machines : refrigeration apparatus Assignees: Detroit Lubricator Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 02, 1936 Granted: Oct. 31, 1939 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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