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US Patent: 591,561
Thill-coupling
Patentees: Charles J. Graf (exact or similar names) - Syracuse, NY Harvey A. Moyer (exact or similar names) - Syracuse, NY USPTO Classifications: 278/75 Tool Categories: Assignees: Harvey A. Moyer - Syracuse, NY Manufacturer: Not known to have been produced Witnesses: M. A. Leyden H. B. Smith	Patent Dates: Applied: Aug. 12, 1897 Granted: Oct. 12, 1897 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Harvey A. Moyer

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