Julius Kahn (inventor)

Julius Kahn
Born(1874-03-08)March 8, 1874
DiedNovember 4, 1942(1942-11-04) (aged 68)
Cleveland, Ohio, U.S.
EducationUniversity of Michigan
OccupationEngineer
Known forKahn system
SpouseMargaret Kohut
ChildrenGisela, Katherine, Julius Jr.
RelativesAlbert Kahn (brother)
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Julius Kahn (March 8, 1874 – November 4, 1942) was an American engineer, industrialist, and manufacturer. He was the inventor of the Kahn system, a reinforced concrete engineering technique for building construction. The Kahn system, which he patented in 1903, was used worldwide for housing, factories, offices and industrial buildings. He formed the Trussed Concrete Steel Company as a manufacturing source for his inventions. He also founded United Steel Company and was chairman of Truscon Laboratories.