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US Patent: 1,503,836
Deep Drilling Machine
Patentee:
John J. Kunzer - Chicago, Cook County, IL

USPTO Classifications:
408/59, 408/97, 82/152, 82/162

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

Assignees:
Joseph T. Ryerson & Son - Chicago, Cook County, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 07, 1919
Granted: Aug. 05, 1924

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Joseph T. Ryerson & Son

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