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A subsidiary of United Technologies Corporation, it was headquartered in Windsor Locks, Connecticut."We are proud that Hamilton Sundstrand has selected TTTech to supply the TTP data bus solution as well as embedded software components for Boeing’s 787 Dreamliner," stated Kurt Doppelbauer, Director Sales Aerospace at TTTech.David Sundstrand (1880-1930) was a Swedish-born American inventor of the 10-key adding machine, 10-key calculator keyboard, a 10-keypad now used on computer keyboards, and a co-founder of Sundstrand Corporation. Beside its component engineering and manufacturing roles, Hamilton Sundstrand will manage the integration of the systems, and will also oversee verification testing and certification.
TTP contributes significantly as a facilitator to these activities.His 1914 adding machine had the first now common place keyboard for 10-key calculators and numeric keypads.