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1.. The internal pacemaker invented by Wilson Greatbatch. In 1959, 2.. Joseph-Armand Bombardier of Valcourt, Quebec, Canada patented the Ski-Doo, originally christened the Ski-Dog, but renamed because of a typographical error that Bombardier decided not to change. You know it as a snowmobile. these were made in 1959

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16y ago

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