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US Patent: 1,583,786
Cylinder Boring Machine
Patentee:
Albert F. Froussard - St. Louis, MO

USPTO Classifications:
408/79, 408/94, 82/150

Tool Categories:
metalworking machines : drilling and boring : portable metal drilling machines

Assignees:
None

Manufacturer:
Multiple Boring Machine Co. - St. Louis, MO

Witnesses:
Unknown

Patent Dates:
Applied: May 02, 1921
Granted: May 11, 1926

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

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