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José Ugalde Pérez

José Ugalde Perez, Mexican physician (1883 - 1959)

Patented a drawing board US2424630A (1944)

Proposed a new concept about structure and features of the matter in Teoria omniologica: nuevo concepto sobre la estructura y caracteristicas de la materia (1945)  

Developed a formulation and an ionization machine for provoking artificial rains (1956)