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US Patent: 2,505,975
Reciprocating Travel Controlling Means
Patentees: Walter S. Landon, deceased (Estate of) (exact or similar names) - Detroit, Wayne County, MI Marion E. Landon, Administratrix (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 236/1R, 236/68R, 236/86, 236/DIG.1, 251/122, 251/208, 251/233, 251/279, 74/53, 92/13.5 Tool Categories: hardware : valves specialty tools : metering apparatus Assignees: Detroit Lubricator Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 15, 1947 Granted: May 02, 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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