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US Patent: 1,621,226
Milling cutter
Patentee: Sebastian J. Welter (exact or similar names) - Chicago, IL USPTO Classifications: 407/47, 76/115 Tool Categories: metalworking machines : milling machines : milling machine cutters Assignees: Armstrong Bros. Tool Co. - Chicago, IL Manufacturer: Armstrong Bros. Tool Co. - Chicago, IL Witnesses: Unknown	Patent Dates: Applied: Sep. 19, 1923 Granted: Mar. 15, 1927 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Armstrong Bros. Tool Co.

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