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US Patent: 2,649,668
Rotary turret for multiple spindle polishing and buffing machines
Patentees: Clarence A. Zinn (exact or similar names) - Kalamazoo, MI Henry C. Perkins (exact or similar names) - Kalamazoo, MI USPTO Classifications: 451/247, 451/401 Tool Categories: Assignees: Hammond Machinery Builders, Inc. - Kalamazoo, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 06, 1949 Granted: Aug. 25, 1953 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Hammond Machine Co.

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