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US Patent: 515,906
Multiplex gear-cutter
Patentees: Henry E. Eberhardt (exact or similar names) - Newark, NJ Ulrich Eberhardt (exact or similar names) - Newark, NJ USPTO Classifications: 409/55, 409/56 Tool Categories: metalworking machines : gear making machines Assignees: None Manufacturer: Gould & Eberhardt - Newark, NJ Witnesses: Joseph B. Pierson Thomas S. Crane	Patent Dates: Applied: May 05, 1892 Granted: Mar. 06, 1894 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Gould & Eberhardt

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