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US Patent: 1,547,668
Micrometer
Patentee: Paul A. Poltin (exact or similar names) - St. Paul, MN USPTO Classifications: 33/542.1 Tool Categories: metalworking tools : machinist tools : measuring tools : micrometers Assignees: None Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Oct. 06, 1924 Granted: Jul. 28, 1925 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: A. M. Carlsen - patent attorney

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