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US Patent: 2,408,919
Refrigeration Expansion Valve
Patentees: Earnest J. Dillman (exact or similar names) - Detroit, Wayne County, MI Franklyn Y. Carter (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 137/505.39, 236/92B, 236/92R, 62/212, 62/214 Tool Categories: specialty machines : refrigeration apparatus hardware : valves Assignees: Detroit Lubricator Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 05, 1945 Granted: Oct. 08, 1946 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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