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US Patent: 2,460,726
Surface Roughness Measuring Device
Patentee: John P. Arndt, Jr. (exact or similar names) - Euclid, OH USPTO Classifications: 73/105 Tool Categories: layout tools : measurement gauges Assignees: Brush Development Co. - Cleveland, OH Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Jan. 11, 1943 Granted: Feb. 01, 1949 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Eber J. Hyde - patent attorney

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