US Patent: 63,392
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| Improvement in Boring Bits
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Patentee:
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| Melvin Jincks (exact or similar names) - Danville, NY |
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Patent Dates:
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| Granted: |
Apr. 02, 1867 |
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Patent Pictures:
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USPTO (New site tip) Google Patents
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Jeff Joslin (dm)
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Description: |
| Combines a depth gauge, cutter, marker (scores the outside of the hole), and a bit (gimlet) which all independently adjustable and are secured by screws.
Known example is marked: M. JINCKS PAT'D APR 2, 1867. Jincks is not listed in DAT. |
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