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US Patent: 43,673
Drill
Patentee:
Richard Dudgeon - New York, NY

USPTO Classifications:
407/30, 408/191, 408/206

Tool Categories:
metalworking machines : drilling and boring : drill bits

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Aug. 02, 1864

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Richard Dudgeon

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