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US Patent: 841,012
Woodworkers' bench-clamp
Patentee: Frank Helm (exact or similar names) - Traverse City, MI USPTO Classifications: 269/212, 269/236, 269/256 Tool Categories: work holding : vises Assignees: Frank Helm - Traverse City, MI Charles J. Helm - Traverse City, MI Edward Roesser - Traverse City, MI Manufacturer: Not known to have been produced Witnesses: Charles M. Beers A. B. Cook	Patent Dates: Applied: Nov. 02, 1905 Granted: Jan. 08, 1907 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Carl Matthews

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