CPC B62D57/04
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CPC B62D57/04 is a patent class for xyz.[1][2]
References
This wiki has 2 patents in category "CPC B62D57/04".
Patents in category CPC B62D57/04
- Patent FR-1912-443606 (English title: Apparatus using air resistance to propel automobiles and other vehicles, Inventors: Clément Gillotin, Supplementary to patent: Patent BE-1909-05-23, Filing date: 1912-05-09)
- Patent GB-1919-137037 (English title: An Improved Motor Car Propelled by an Air Screw Propeller, Inventors: Marcel Leyat, Supplementary to patent: Patent FR-1918-500435, Filing date: 1919-12-03)
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