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US Patent: 427,987
Apparatus for the Transmission of Rotary Motion
Patentee: Augustin Henri Hamon (exact or similar names) - Paris, France USPTO Classifications: 74/665H Tool Categories: 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: Jul. 11, 1889 Granted: May 13, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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