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US Patent: 1,653,326
Chain Pipe Vise
Patentee: Sebastian J. Welter (exact or similar names) - Chicago, IL USPTO Classifications: 269/130, 269/265, 269/271 Tool Categories: work holding : vises : pipe and chain vises Assignees: Armstrong Bros. Tool Co. - Chicago, IL Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Apr. 23, 1925 Granted: Dec. 20, 1927 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: Robert Burns - patent attorney

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