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US Patent: 2,749,812
Ball Bearing Nut and Screw Mechanism
Patentee:
Theodore A. Wetzel - Milwaukee, Milwaukee County, WI

USPTO Classifications:
409/146, 409/163, 74/424.82, 74/441, 74/89.38

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

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 21, 1952
Granted: Jun. 12, 1956

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

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