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US Patent: 399,931
Gang-edger
Patentee: Herbert C. Robb (exact or similar names) - San Francisco, CA USPTO Classifications: 226/176, 226/186, 226/188 Tool Categories: woodworking machines : circular saws : circular ripsaws Assignees: None Manufacturer: James A. Robb - San Francisco, CA Robb & Mitchell - San Francisco, CA Witnesses: Edward C. Osborne James A. Robb	Patent Dates: Applied: Jan. 05, 1888 Granted: Mar. 19, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for James A. Robb
Description: Improvements to the James A. Robb patents 227,926 and 258,946.

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