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US Patent: 505,445
Adjustable Spirit Level and Plumb Device
Patentee: William R. Dorton (exact or similar names) - Orrick, Ray County, MO USPTO Classifications: 33/343, 33/388 Tool Categories: layout tools : levels : spirit levels layout tools : levels : plumbs Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 12, 1893 Granted: Sep. 26, 1893 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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