US Patent: 374,185
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| Bit-stock
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Patentee:
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| Willis B. Gilmore (exact or similar names) - Denver, CO |
| USPTO Classifications: |
| 81/33 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 17, 1887 |
| Granted: |
Dec. 06, 1887 |
USPTO (New site tip) Google Patents
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Jeff Joslin
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Description: |
| This "bit-stock" is actually a horizontal pump drill. |
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