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US Patent: 3,217,569
Metal cutting tool
Patentee:
Allen N. Sweeny - Grosse Pointe, MI

USPTO Classifications:
408/153

Tool Categories:
metalworking machines : drilling and boring : boring bars
metalworking tools : boring bars

Assignees:
DeVlieg Machine Co. - Royal Oak, MI

Manufacturer:
DeVlieg Machine Co. - Royal Oak, MI

Witnesses:
Unknown

Patent Dates:
Applied: May 07, 1963
Granted: Nov. 16, 1965

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for DeVlieg Machine Co.

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