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US Patent: 490,503
Worm Gear Cutting Machine
Patentee: George S. Rominger (exact or similar names) - Philadelphia, PA USPTO Classifications: 409/48, 470/80, 74/466, 82/12 Tool Categories: metalworking machines : gear making machines Assignees: None Manufacturer: Not known to have been produced Witnesses: William D. Conner Harry Smith R. Scheicher Alex Barkoff	Patent Dates: Applied: Apr. 11, 1892 Granted: Jan. 24, 1893 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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