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US Patent: 941,297
Instrument for Measuring the Cross Section of Rail, &c.
Patentee: Richard Barthelmes (exact or similar names) - Zella St. Blasü, Schmalkalden-Meiningen district, Thuringia, Germany USPTO Classifications: 33/561.1, 33/833 Tool Categories: specialty tools : measuring apparatus metalworking tools : machinist tools : measuring tools : micrometers Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Nov. 16, 1908 Granted: Nov. 23, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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