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US Patent: 1,428,402
Reciprocating Pump or Compressor
Patentee: George F. Steedman (exact or similar names) - St. Louis, MO USPTO Classifications: 137/512, 137/512.1, 137/516.15, 417/564 Tool Categories: industrial machines : pumps : reciprocating pumps industrial machines : pneumatic : air compressors Assignees: Curtis & Co. Mfg. Co. - Wellston, St. Louis County, MO Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 10, 1921 Granted: Sep. 05, 1922 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Curtis & Co. Manufacturing Co.

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