1 janv. 1934 - "In 1934, Bob Neal north of Hope, Arkansas filed a patent application for a pneumatic engine. Also in 1934, the Netherlands native Johannes Wardenier claimed to have invented the first air car. There is a whole conspiracy theory about how Wardenier was imprisoned, sent to a mental institution and then a concentration camp with his designs stolen."

Description:

First Air Car Invented - History of Pneumatic Engines. (2020). Retrieved 30 January 2020, from https://www.automostory.com/first-air-car.htm

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