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US Patent: 928,894
Variable-speed gearing
Patentee: John S. Barnes (exact or similar names) - Rockford, IL USPTO Classifications: 74/347 Tool Categories: Assignees: W. F. & John Barnes Co. - Rockford, IL Manufacturer: Not known to have been produced Witnesses: A. I. Barnes A. O. Behel	Patent Dates: Applied: Apr. 26, 1909 Granted: Jul. 20, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for W. F. & John Barnes Co.

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