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US Patent: 2,190,585
C Clamp
Patentee: Harry A. Rhinevault (exact or similar names) - Chicago, IL USPTO Classifications: 269/249, 269/261 Tool Categories: work holding : clamps Assignees: Armstrong Bros. Tool Co. - Chicago, IL Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Aug. 22, 1936 Granted: Feb. 13, 1940 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: Parker, Carlson, Pitzner & Hubbard - patent attorneys

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