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US Patent: 439,458
Combined Rule, Square, Bevel, Scribe-Gage, Spirit Level, and Dividers
Patentee: Richard E. Woodruff (exact or similar names) - Toronto, ON Canada USPTO Classifications: 33/332, 33/340, 33/419, 33/451, 33/464, 33/473 Tool Categories: layout tools : bevels rules layout tools : levels layout tools : squares Assignees: None Manufacturer: Not known to have been produced Witnesses: Joseph E. Armstrong Byron E. D. Armstrong	Patent Dates: Applied: Feb. 10, 1890 Granted: Oct. 28, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.

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