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US Patent: 456,909
Friction-clutch
Patentee: Alva C. Rice (exact or similar names) - Dayton, OH USPTO Classifications: 192/75, 192/93B, 192/93R Tool Categories: industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms : friction clutches Assignees: Stilwell & Bierce Mfg. Co. - Dayton, OH Manufacturer: Stilwell & Bierce Mfg. Co. - Dayton, OH Witnesses: George R. Young William Saint	Patent Dates: Applied: Dec. 29, 1890 Granted: Jul. 28, 1891 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Stilwell & Bierce Mfg. Co.

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