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US Patent: 4,177,550
Machine tool with hollow structural steel members
Patentees:
Charles B. Sipek - Hales Corners, WI
Richard Johnstone - Brookfield, WI
Russell B. Clegg - Milwaukee, WI

USPTO Classifications:
248/678, 408/234, 409/183, 483/43, 52/292, 82/149, 83/859

Tool Categories:

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

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

Witnesses:
Unknown

Patent Dates:
Granted: Dec. 11, 1979

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Kearney Trecker Corp.
Description:
MM-180

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