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US Patent: 4,533,859
Motorized Ball Nut
Patentee:
Richard Johnstone (exact or similar names) - Brookfield, Waukesha County, WI

USPTO Classifications:
318/630, 318/661, 318/9

Tool Categories:
metalworking machines : metalworking machine mechanisms

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

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

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 15, 1982
Granted: Aug. 06, 1985

Patent Pictures:
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Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Kearney Trecker Corp.

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