Originally known as the "Aérodium", it was patented as the "Levitationarium" by Jean St. Germain in the USA in 1984 and 1994 under Patent Nos. 4,457,509 and 5,318,481, respectively.
The device, initially known as "Aérodium", was patented as the "Levitationarium" by Jean St. Germain in the USA in 1984 and 1994 under Patent Nos. 4,457,509 and 5,318,481, respectively.