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US Patent: 1,495,080
Self Indicating Variable Spindle Drive
Patentee: David C. Klausmeyer (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 116/233, 470/181, 470/96, 74/333, 74/473.1 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking variable speed mechanisms Assignees: Cincinnati Bickford Tool Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Nov. 03, 1922 Granted: May 20, 1924 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Cincinnati Bickford Tool Co.

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