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US Patent: 436,495
Spirit Level
Patentee: Philo L. Fox (exact or similar names) - Bridgeport, CT USPTO Classifications: 33/381 Tool Categories: layout tools : levels Assignees: None Manufacturer: Unknown Witnesses: A. M. Wooster Arley I. Munson	Patent Dates: Applied: May 12, 1890 Granted: Sep. 16, 1890 Patent Pictures: [ 1 | 2 | 3 | 4 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
Description: Plumb and level consisting of two strips of wood with metallic cross pieces containing that attach the top and bottom wood strips.

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