US Patent: 375,705
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| Engraving Machine for Multiple Combinations
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Patentees:
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| Arnold Güdel (exact or similar names) - Biel, Berne Switzerland |
| Adhémar Chopard (exact or similar names) - Biel, Berne Switzerland |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 07, 1887 |
| Granted: |
Dec. 27, 1887 |
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Joel Havens
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Description: |
| Patented in Germany, 22 Jun., 1886, #38,448. |
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