Xerox, Post-it, Frisbee, Roller Blades, Q-tips, White Out, Windex, Viagra, Aspirin, Escalator, Zip-loc, Scotch tape, Polaroid, Jacuzzi, Walkman, Velcro, Super g

Xerox, Post-it, Frisbee, Roller Blades, Q-tips, White Out, Windex, Viagra, Aspirin, Escalator, Zip-loc, Scotch tape, Polaroid, Jacuzzi, Walkman, Velcro, Super glue All become common English words, many of them in the dictionary but started as brands. There are plenty more if you go back to the 19th century (eg. Heroin) edit: Wikipedia has a list: http://en.wikipedia.org/wiki/List_of_generic_and_genericized_trademarks http://en.wikipedia.org/wiki/List_of_generic_and_genericized...