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US Patent: 367,782
Convertable Machine for Slotting or Drilling
Patentee:
Frederick Hawkins Brown - Chicago, IL

USPTO Classifications:
144/135.3, 269/58, 29/26R, 408/20, 408/235, 409/335

Tool Categories:
metalworking machines : drilling and boring : drill presses
metalworking machines : metal slotting machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 19, 1886
Granted: Aug. 09, 1887

Patent Pictures:
USPTO pdf tiff
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