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US Patent: 2,429,250
Grinding machine
Patentees: Christy Arthur Wiken (exact or similar names) - Milwaukee, WI Eric A. Reibig (exact or similar names) - Milwaukee, WI USPTO Classifications: 451/274, 451/414, 82/148 Tool Categories: Assignees: Rockwell Mfg. Co. - Pittsburgh, PA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 22, 1943 Granted: Oct. 21, 1947 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Delta Specialty/Delta Mfg. Co./Delta-Rockwell/Rockwell Intl.
Description: Machine is a surface grinder.

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