It was invented in 1969 by Mike Humphrey and Mike Borrow*, partners in the English firm Underwater Marine Equipment Ltd (UMEL), assisted by Joseph Salim Peress, whose Tritonia diving suit acted as their main inspiration.
Venne inventata nel 1969 da Mike Humphrey e Mike Borrow, soci del marchio inglese Underwater Marine Engineering, assistiti da Joseph Salim Peress, progettista della ADS "Tritonia".