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US Patent: 2,391,398
Horizontal boring machine
Patentee:
Charles B. De Vlieg (exact or similar names) - Detroit, MI

USPTO Classifications:
29/26R, 408/110, 408/13, 408/234, 409/219, 82/149

Tool Categories:
metalworking machines : drilling and boring : horizontal boring mills

Assignees:
DeVlieg Machine Co. - Royal Oak, MI

Manufacturer:
DeVlieg Machine Co. - Royal Oak, MI

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 29, 1942
Granted: Dec. 25, 1945

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for DeVlieg Machine Co.
Description:
This is the first patent for what became the "JIGMIL" jigless horizontal boring machine.

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