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US Patent: 4,553,330
Micrometer
Patentees: Mineo Yamauchi (exact or similar names) - Kawasaki, Japan Yoshimitu Karahashi (exact or similar names) - Kawasaki, Japan USPTO Classifications: 33/815, 33/817, 33/830 Tool Categories: metalworking tools : machinist tools : measuring tools : micrometers Assignees: Mitutoyo Mfg. Co. Ltd. - Tokyo, Japan Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Dec. 02, 1983 Granted: Nov. 19, 1985 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
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