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US Patent: 520,201
Micrometer Indicator
Patentee: John Bath (exact or similar names) - Hyde Park, Norfolk County, MA USPTO Classifications: 33/642 Tool Categories: metalworking tools : machinist tools : measuring tools : test indicators Assignees: None Manufacturer: Not known to have been produced Witnesses: John L. Adams Ralph W. E. Hopper Eugene Humphrey	Patent Dates: Applied: Jun. 10, 1893 Granted: May 22, 1894 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Eugene Humphrey - patent attorney

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