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US Patent: 707,472
Tool Holder
Patentees: Samuel Welter (exact or similar names) - Chicago, Cook County, IL John Armstrong (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 407/69, 407/78, 407/79, 407/89, 82/158 Tool Categories: metalworking machines : metal planers : metal planer tool holders metalworking machines : metal shapers : metal shaper tool holders Assignees: Armstrong Bros. Tool Co. - Chicago, Cook County, IL Manufacturer: Not known to have been produced Witnesses: Alexis D. Michaud Grace M. Michaud Watson Hurlburt Arthur B. Seibold	Patent Dates: Applied: Mar. 27, 1901 Granted: Aug. 19, 1902 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Armstrong Brothers Tool Co. history "Vintage Machinery" entry for Armstrong Brothers Tool Co.
Description: Louis K. Gillson - patent attorney

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