US Patent: 156,602
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Ratchet-Drills
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Patentee:
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Henry Smith (exact or similar names) - Meridan, New Haven County, CT |
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Patent Dates:
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Applied: |
Oct. 15, 1874 |
Granted: |
Nov. 03, 1874 |
Patent Pictures:
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Henry Smith patent November 3, 1874 |
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Stan Schulz
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Description: |
The patent's focus is the structure of pawl and and toothed collar; the collar splined to the the head which contains the clamping arrangement to hold the drill. |
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