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US Patent: 443,869
Micrometer Gage
Patentee: Jacob W. Riglander (exact or similar names) - New York, NY USPTO Classifications: 33/559, 33/796 Tool Categories: metalworking tools : machinist tools : measuring tools : micrometers Assignees: None Manufacturer: Not known to have been produced Witnesses: William C. Hauff E. F. Kastenhuber	Patent Dates: Applied: Mar. 27, 1890 Granted: Dec. 30, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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