Biography[edit]
Longoria was born in Madrid, Spain, on August 14, 1890.[4] Longoria received a degree in engineering and a Ph.D. in medicine. In 1911, Longoria emigrated to the United States. Longoria moved to Cleveland, Ohio, where he married and had three children. Longoria became the president of the Sterling Electrical Company.[5] Longoria became a naturalized US citizen on December 29, 1919.[6] Longoria claimed in 1936 that patents for his process for welding ferrous and nonferrous metals by his "invisible ray" were sold for $6,000,000.[7] Longoria died on New Year's Eve, December 31, 1970, in Winter Park, Florida.[8][9]