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US Patent: 320,366
Anti-friction wheel or roller
Patentee: Wayne Kratzer (exact or similar names) - Allentown, PA USPTO Classifications: 384/565 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine bearings Assignees: Charles Ziegenfus - Lehigh County, PA F. A. S. Helverson - Lehigh County, PA Wayne Kratzer - Allentown, PA Manufacturer: Wayne Kratzer - Allentown, PA Witnesses: T. M. Ely Samuel P. Swartz	Patent Dates: Applied: Apr. 21, 1885 Granted: Jun. 16, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Wayne Kratzer

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