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US Patent: 3,024,577
Helical Gear or Spline Grinder
Patentees: Samuel G. Brady (exact or similar names) - Birmingham, Oakland County,, MI Wilhelm Dralle (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 451/218 Tool Categories: metalworking machines : grinders : gear grinding machines Assignees: Ex-Cell-O Corp. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 02, 1959 Granted: Mar. 13, 1962 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for EX-CELL-O Machine Tools, Inc.

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