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US Patent: 1,559,801
Cylindrical End Gauge
Patentee: Adolf Steinle (exact or similar names) - Jena, Thuringia, Germany USPTO Classifications: 33/827 Tool Categories: metalworking tools : machinist tools : measuring tools : inside micrometers Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 13, 1921 Granted: Nov. 03, 1925 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Patented in Germany, 04 Mar., 1920, #349,043; in Switzerland, 01 Mar., 1920, #94,705; in England, 02 Mar., 1921 & in Sweden, 03 Mar., 1921.

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