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US Patent: D29,875
Design for a Combination Square
Patentee: Burnside E. Sawyer (exact or similar names) - Athol, MA USPTO Classifications: D10/62, D10/65, D10/69 Tool Categories: layout tools : squares : try squares layout tools : levels Assignees: None Manufacturer: Not known to have been produced Witnesses: Fred B. Dawes Andrew J. Hamilton	Patent Dates: Applied: Nov. 30, 1898 Granted: Dec. 27, 1898 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
Description: Feature of the design is the form of the web of the square having a circular central opening with a raised web. Patent term of 14 years

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