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US Patent: 2,258,776
Variable speed mechanism
Patentees: Eric Hawkinson (exact or similar names) - Chicago, IL Arthur W. L'Hommedieu (exact or similar names) - Chicago, IL USPTO Classifications: 101/92, 474/26, 474/36, 474/40 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking variable speed mechanisms Assignees: Charles L'Hommedieu & Sons Co. - Chicago, IL Manufacturer: Charles L'Hommedieu & Sons Co. - Chicago, IL Witnesses: Unknown	Patent Dates: Applied: Apr. 19, 1940 Granted: Oct. 14, 1941 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Chas. L'Hommedieu & Sons Co.

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