US Patent: 610,773
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| Hand Drilling-Machine
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Patentee:
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| Benjamin F. Smith (exact or similar names) - Somerville, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 21, 1898 |
| Granted: |
Sep. 13, 1898 |
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Patent Pictures:
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Benjamin F. Smith patent September 13, 1898 |
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Stan Schulz
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Description: |
| Reversible cam-roller "ratchet" with interchangeable feed screw or handle, and tapered socket to hold nut driver sockets, drill bits, etc. |
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