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US Patent: 177,992
Device for Turning Valve Stems &c.
Patentees: Richard T. Crane (exact or similar names) - Chicago, Cook County, IL John L. Agnew (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 29/54, 82/117, 82/138, 82/158 Tool Categories: metalworking machines : metal lathes : lathe tool holders and tool posts Assignees: Crane Brothers Mfg. Co. - Chicago, Cook County, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 02, 1876 Granted: May 30, 1876 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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