Hannoyer backwards is Reyonnah. The problem was parking on Paris streets overnight, the solution was to get them inside your front door and leave them in the hall. Only 16 were built. This one sold at RM Sotheby’s in 2013 for an incredible $ 184,000

Apparently in Paris there were once precise regulations not only about how wide a house entrance had to be. But also about how wide the bicycles, motorcycles and other vehicles were allowed to be so that they can still be parked in these Parisian entrances.

So it happened in the French capital that a Monsieur Raymond Hannoyer, who ran a garage there  wondered how he could get an automobile into these Parisian house entrances. He designed a front axle that would fold, placing the front tires under the car when it was lifted, drastically narrowing the front footprint

http://radical-mag.com/2020/02/22/reyonnah/