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US Patent: 959,974
Micrometer Calipers
Patentee: Zechariah R. Tucker (exact or similar names) - Providence, Providence County, RI USPTO Classifications: 33/823 Tool Categories: metalworking tools : machinist tools : measuring tools : micrometers Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 12, 1909 Granted: May 31, 1910 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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