US Patent: 403,509
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| Lathe-chuck
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Patentee:
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| Freeman Higgins (exact or similar names) - Manchester, NH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 12, 1889 |
| Granted: |
May 21, 1889 |
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Jeff Joslin
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Description: |
| Improvements on patent 216,766 to allow all the jaws to be rapidly opened (or closed) simultaneously. |
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