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US Patent: 2,578,648
Electromagnetic Device
Patentee:
Albert G. Thomas - Alexandria, VA

USPTO Classifications:
310/46, 318/258, 318/269, 318/400.34, 318/400.37, 318/696

Tool Categories:
metalworking machines : milling machines
metalworking machines : metalworking machine mechanisms

Assignees:
Kearney & Trecker Corp. - West Allis, Milwaukee County, WI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 09, 1945
Granted: Dec. 11, 1951

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Kearney & Trecker Co.

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