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US Patent: 1,660,502
Method and apparatus for making gears
Patentees: Alton P. Slade (exact or similar names) - Rochester, NY Eyvind Finsen (exact or similar names) - Rochester, NY George H. Bryan (exact or similar names) - Rochester, NY James E. Gleason (exact or similar names) - Rochester, NY USPTO Classifications: 29/56, 409/44 Tool Categories: metalworking machines : gear making machines Assignees: Gleason Works - Rochester, NY Manufacturer: Gleason Works - Rochester, NY Witnesses: none listed	Patent Dates: Applied: Mar. 14, 1923 Granted: Feb. 28, 1928 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Gleason company history "Vintage Machinery" entry for the Gleason Works Gleason Corporation

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