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US Patent: 1,869,411
Automatic Coupling Valve
Patentee: John De Mooy (exact or similar names) - Cleveland, Cuyahoga County, OH USPTO Classifications: 137/613, 137/614, 251/117 Tool Categories: industrial tools : pneumatic hoses and hose couplings Assignees: Cleveland Pneumatic Tool Co. - Cleveland, Cuyahoga County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 02, 1930 Granted: Aug. 02, 1932 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Cleveland Pneumatic Tool Co.

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