William S. Gubelmann
William S. Gubelmann (1863 – September 26, 1959) was an American inventor who held about 5000 patents, invented adding machines, accounting machines and cash registers.[1] Popular Mechanics called Gubelmann “the father of all calculating machines in use today”.[2] The New York Times said that his inventions "formed the basis of the business machine industry".[1]
References[edit]
- ^ a b New York Times:W. S. GUBELMANN, 96,1 AN INVENTOR, DIES;September 27, 1959
- ^ Eris, Alfred (March 1951). Some Get Rich, Some Don't. pp. 248–250. Retrieved June 22, 2010.
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