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US Patent: 1,097,797
Surface Indicator
Patentee: John W. Gheen (exact or similar names) - Los Angeles, CA USPTO Classifications: 33/533 Tool Categories: layout tools : measurement gauges Assignees: None Manufacturer: Not known to have been produced Witnesses: George G. Southland J. E. Mecorney C. L. Jackson F. D. Knight	Patent Dates: Applied: Jan. 04, 1912 Granted: May 26, 1914 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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