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US Patent: 306,560
Belt-tightener
Patentee: Frederick Van De Water (exact or similar names) - Whitewater, WI USPTO Classifications: 451/294, 474/112, 474/89 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms Assignees: George Esterly & Son - Whitewater, WI Manufacturer: Not known to have been produced Witnesses: E. T. Cass F. A. Murray	Patent Dates: Applied: Jun. 16, 1884 Granted: Oct. 14, 1884 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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