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US Patent: 2,538,861
Refrigeration Expansion Valve
Patentee: Franklyn Y. Carter (exact or similar names) - Dearborn, Wayne County, MI USPTO Classifications: 236/92B, 62/202, 62/211 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: Oct. 01, 1947 Granted: Jan. 23, 1951 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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