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US Patent: 437,520
Split pulley
Patentees: Albert P. Sibley (exact or similar names) - South Bend, IN George O. Ware (exact or similar names) - South Bend, IN USPTO Classifications: 403/344, 474/96 Tool Categories: industrial machines : industrial machine mechanisms Assignees: None Manufacturer: Not known to have been produced Witnesses: M. E. Listenberger C. S. Jackson	Patent Dates: Applied: Apr. 12, 1890 Granted: Sep. 30, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Sibley & Ware

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