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US Patent: 655,133
Changeable Speed Gearing
Patentee: Charles A. Tripp (exact or similar names) - Hudson, Middlesex County, MA USPTO Classifications: 475/217 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine gearing industrial machines : industrial machine mechanisms : industrial machine speed and direction changing mechanisms Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 05, 1900 Granted: Jul. 31, 1900 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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