US Patent: 550,999
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| Coffee Roaster
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Patentees:
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| Gerrit C. Otten (exact or similar names) - The Hague, South Holland Province Netherlands |
| Karel F. Henneman (exact or similar names) - The Hague, South Holland Province Netherlands |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 16, 1895 |
| Granted: |
Dec. 10, 1895 |
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Joel Havens
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Description: |
| Patented in Belgium, 05 Sept., 1894, patent #111,674; in Germany, 17 Sept., 1894, patent #73,907 and in France, 12 Jan., 1895, patent #225,675. |
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