Canada Dry ginger ale (among other beverages) comes to mind.
The Java programming language
Plexiglas
The Blackberry phone
That hard-to-reproduce green-ish ink used to print currency
But as they say, "the winners get to write the history books". The zipper, for example, is as often incorrectly attributed to Canadians as the light bulb is to American [thief] Thomas Edison. Today, at least SOME history of the light bulb's progress can be given to Canadians Henry Woodward and Mathew Evans for their work in 1874. But then again, everybody seems to overlook the Davy lamp--invented in 1815 by Humphry Davy, a British man.
