12 More Things Invented By Accident

BOSTON (MainStreet) -- A while back, we wrote of the many products invented by accident -- a rundown of the mistakes and mishaps that proved fortuitous for inventors.

With thanks to the many readers who wrote in with additional suggestions on this theme, we've expanded our earlier tally with a dozen more examples of how the occasional twist of fate can prove to be a happy accident for consumers and companies:

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