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US Patent: 2,147,322
Safety control for bread slicing machines
Patentees: Harry F. Caldwell - Grand Rapids, MI Howard B. Tuthill - Grand Rapids, MI USPTO Classifications: 83/361 Tool Categories: Assignees: Oliver Machinery Co. - Grand Rapids, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 20, 1936 Granted: Feb. 14, 1939 Patent Pictures: USPTO Images Google Patents Report data errors or omissions "Vintage Machinery" entry for Oliver Machinery Co.

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