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US Patent: 681,145
Self Contained Speed Varying Pulley
Patentee: Fred W. Spacke (exact or similar names) - Indianapolis, Marion County, IN USPTO Classifications: 476/45, 476/46 Tool Categories: propulsion and energy : steam apparatus : steam traction engines : traction engine governors Assignees: Speed Changing Pulley Co. - Indianapolis, Marion County, IN Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 24, 1901 Granted: Aug. 20, 1901 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Speed Changing Pulley Co. F.W. Spacke Machine Company

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