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US Patent: 228,552
Friction-clutch
Patentee: Wilhelm Oesterlein (exact or similar names) - Cincinnati, OH USPTO Classifications: 192/80 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine clutches Assignees: None Manufacturer: Not known to have been produced Witnesses: Adolf Rüble N. M. Dennis	Patent Dates: Applied: Mar. 01, 1880 Granted: Jun. 08, 1880 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Oesterlein Machine Co.

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