Inventor that have modified our life

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Calculating Machines and Computing
Invention	Date	Inventor	Nationality
Adding machine *	1642	Blaise Pascal	French
Platform scales	1830	Thaddeus Fairbanks	American
Cash register	1879	James Ritty	American
Comptometer	1885	Dorr E. Felt	American
Adding machine	1888	W. Burroughs	American
Mechanical computer	1928	Vannevar Bush	American
Automatic digital computer	1944	Howard Aiken	American
Electronic digital computer	1946	J.P. Eckert J.W. Mauchly	American American
Electronic pocket calculator	1972	J.S. Kilby J.D. Merryman	American American
Jerry D. Merryman as an inventor - 9 patents listing
Supercomputer	1976	J.H. Van Tassel	American
Parallel computing	1979	Seymour R. Cray, Jr. David Gelernter	American American
16 patents listing Seymour R. Cray, Jr. as an (co)inventor.