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US Patent: 2,497,223
Orifice Cleaning Means
Patentee: Walter S. Landon (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 137/245, 137/400, 137/416, 137/486, 251/121 Tool Categories: specialty tools : pipe and orifice cleaners Assignees: Detroit Lubricator Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 04, 1945 Granted: Feb. 14, 1950 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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