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US Patent: 578,731
Wrought Metal Gear Wheel and Mechanism for Making Same
Patentees: Ulrich Eberhardt (exact or similar names) - Newark, Essex County, NJ Fred L. Eberhardt (exact or similar names) - Newark, Essex County, NJ USPTO Classifications: 29/893.34, 72/412, 74/450 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine gearing Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 01, 1895 Granted: Mar. 16, 1897 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Gould & Eberhardt

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