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US Patent: 371,480
Belt-shifter
Patentee: Frank A. Shoemaker (exact or similar names) - Buffalo, NY USPTO Classifications: 474/127, 474/129 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms Assignees: None Manufacturer: J. W. Dennis - Buffalo, NY Witnesses: Unknown	Patent Dates: Granted: Oct. 11, 1887 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for J. W. Dennis

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