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US Patent: 335,336
Saw-mandrel
Patentee: Edwin M. Byrkit (exact or similar names) - Indianapolis, IN USPTO Classifications: 83/666, 83/676 Tool Categories: woodworking machines : circular saws Assignees: Addison A. Adair - Indianapolis, IN John H. Murry - Indianapolis, IN Edwin M. Byrkit - Indianapolis, IN Manufacturer: Hetherington & Berner - Indianapolis, IN Witnesses: Hattie Murry C. P. Jacobs	Patent Dates: Applied: Dec. 23, 1885 Granted: Feb. 02, 1886 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Berner, English & Over (predecessors to Hetherington & Berner)
Description: See also patents 186,795 and 335,335.

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