US Patent: 300,041
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| Machine for Threading Screw-Taps
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Patentee:
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| Simon Whipple Card (exact or similar names) - Mansfield, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 18, 1883 |
| Granted: |
Jun. 10, 1884 |
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Joel Havens
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Description: |
| The inventor was owner of the S. W. Card Manufacturing Co., makers of taps and dies. That firm was established about 1874 and was acquired by the Union Twist Drill Co. in 1908 and operated as a separate division of that firm until at least 1928. |
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