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US Patent: 2,705,441
Hold-Down Clamp
Patentee: John O. Armstrong (exact or similar names) - Elmhurst, IL USPTO Classifications: 269/91, 409/204 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: Mar. 14, 1951 Granted: Apr. 05, 1955 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: Carlson, Pitzner, Hubbard & Wolfe - patent attorneys

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