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US Patent: 41,546
Improvement in drills
Patentee:
William Stivers - New York, NY

USPTO Classifications:
74/842

Tool Categories:
metalworking machines : drilling and boring : drill presses
woodworking machines : wood drilling and boring : drill presses

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
M. M. Livingston
Thomas S. J. Douglas

Patent Dates:
Granted: Feb. 09, 1864

Patent Pictures:
USPTO pdf tiff
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