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US Patent: 700,023
Carpenter's Tool
Patentee: Joseph Ubert Duby (exact or similar names) - Long Branch, NJ USPTO Classifications: 33/42, 33/429 Tool Categories: layout tools : squares : bevel squares layout tools : squares : carpenter squares Assignees: Joseph Ubert Duby - Long Branch, NJ William N. Shinn - Lakehurst, NJ Manufacturer: Duby & Shinn Mfg. Co. - New York, NY Witnesses: Wilbur T. Carley George Davison	Patent Dates: Applied: Sep. 06, 1901 Granted: May 13, 1902 Patent Pictures: [ 1 | 2 | 3 | 4 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
Description: This can be used to draw circles and arcs as well as straight lines.

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