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US Patent: 1,617,443
Micrometer
Patentees: Ernest A. Erickson (exact or similar names) - Wilson, PA Zearl E. Neal (exact or similar names) - West Elizabeth, PA USPTO Classifications: 33/709 Tool Categories: metalworking tools : machinist tools : measuring tools : micrometers Assignees: None Manufacturer: Not known to have been produced Witnesses: J. Herbert Bradley	Patent Dates: Applied: Jan. 30, 1925 Granted: Feb. 15, 1927 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Green & McCallister - patent attorneys

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