US Patent: 484,670
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| Bolt-clipper
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Patentee:
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| Henry K. Porter (exact or similar names) - Boston, MA |
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Patent Dates:
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| Applied: |
May 18, 1892 |
| Granted: |
Oct. 18, 1892 |
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Jeff Joslin
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Description: |
| Improvements to the inventor's patents 226,190, 236,695, and 1881-08-09; subsequently improved in patent 2,090,259. |
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