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US Patent: 2,630,718
Variable-speed mechanism
Patentee: Frederick D. Dickas (exact or similar names) - Sidney, OH USPTO Classifications: 74/337.5, 74/359, 74/473.1 Tool Categories: Assignees: Sidney Machine Tool Co. - Sidney, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 19, 1949 Granted: Mar. 10, 1953 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Sidney Tool Co.

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