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US Patent: 1,769,898
Unloading System for Compressors
Patentee: William E. Mathews (exact or similar names) - Birmingham, Jefferson County, AL USPTO Classifications: 417/253, 417/288, 417/298 Tool Categories: industrial machines : pneumatic : air compressors Assignees: Hardie-Tynes Mfg. Co. - Birmingham, Jefferson County, AL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 02, 1928 Granted: Jul. 01, 1930 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Hardie-Tynes Mfg. Co.

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