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US Patent: 901,727
Plumb Level
Patentee: William H. McKeen (exact or similar names) - Brawley, Imperial County, CA USPTO Classifications: 33/398 Tool Categories: layout tools : levels : clinometers Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 19, 1908 Granted: Oct. 20, 1908 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Franklin N. Hough, patent attorney.

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