US Patent: 442,248
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Gas and Petroleum Engine
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Patentee:
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Fritz Dürr (exact or similar names) - Munich, Germany |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 15, 1890 |
Granted: |
Dec. 09, 1890 |
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Joel Havens
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Description: |
Patented in Germany, 24 Sep 1889, #48,838 and in Belgium, 31 Dec 1889, #88,839. |
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