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US Patent: 235,434
Double Try Square
Patentee: William C. Hoffmeister (exact or similar names) - Mossy Creek, TN USPTO Classifications: 33/481 Tool Categories: layout tools : squares : try squares Assignees: None Manufacturer: Not known to have been produced Witnesses: O. C. King J. A. Hodge	Patent Dates: Applied: Oct. 15, 1880 Granted: Dec. 14, 1880 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.

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