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US Patent: 642,138
Machine for boring metal
Patentee:
Henry K. Lee - Hartford, CT

USPTO Classifications:
408/111, 74/841

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Henry Bissell
William H. Blodgett

Patent Dates:
Applied: Apr. 24, 1899
Granted: Jan. 30, 1900

Patent Pictures:
USPTO pdf tiff
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