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Howard Robard Hughes Sr. (September 9, 1869 – January 14, 1924) was an American businessman and inventor who founded the Hughes Tool Company. He invented the "Sharp–Hughes" two-cone rotary drill bit during the Texas Oil Boom.
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Howard Robard Hughes Jr. (December 24, 1905 – April 5, 1976)...
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Howard Robard Hughes, Jr. (Humble, 24 de diciembre de 1905-Houston, 5 de abril de 1976) fue un multimillonario empresario, magnate, inversionista, ingeniero autodidacta, aviador, productor y director de cine estadounidense, conocido por sus películas The Racket (1928), Hermanos de armas (1930) y The Outlaw (1943). [1]
(DP) 1924. El millonario Howard R. Hughes Sr. acaba de morir, dejando atrás no solamente una gran fortuna, sino también un puesto vacante al frente de la empresa que lo ha enriquecido, la Hughes Tool Company.
Howard Robard Hughes Sr. (né le 9 septembre 1869 à Lancaster et mort le 14 janvier 1924 à Houston) est un homme d'affaires et inventeur américain. Fondateur de la Hughes Tool Company , il a inventé le foret à roche tri-cône rotatif Sharp-Hughes pendant le boom du pétrole au Texas (en) .
Howard Hughes Sr., designer of the first roller cone bit. Design. Roller cone bits are characterized by the use of rolling cones at the head rather than the typical auger-type design of most drill bits. Rock hardness is one of the determining factors taken into account when selecting an appropriate drill bit.
2 de abr. de 2024 · Howard Hughes was an American manufacturer, aviator, and motion-picture producer and director who acquired enormous wealth and celebrity from his various ventures but was perhaps better known for his eccentricities, especially his reclusiveness. In 1909 Hughes’s father, Howard R. Hughes, Sr.,
