CPC B64D2700/62824
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Double propellers
Enclosing categories | CPC B64D/62 |
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Keywords | Propellers |
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Patents in category CPC B64D2700/62824
- Patent GB-1909-20854 (English title: Aeroplane propulsion, Inventors: Thomas Christopher Murphy • James Murray Bett, Filing date: 1909-09-11)
- Patent FR-1914-473423 (English title: Improvements brought to airplane propulsion and related engines, Supplementary to patent: Patent AT-1914-78033, Filing date: 1914-06-13, Applicant firm: Jacob Lohner & Co.)