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US Patent: 442,248
Gas and Petroleum Engine
Patentee:
Fritz Dürr (exact or similar names) - Munich, Germany

USPTO Classifications:
123/332, 123/376, 123/82

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Apr. 15, 1890
Granted: Dec. 09, 1890

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
Description:
Patented in Germany, 24 Sep 1889, #48,838 and in Belgium, 31 Dec 1889, #88,839.

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