9 Killer Brands Born During Downturns (PHOTOS)

11/15/2010 01:47 pm ET | Updated May 25, 2011

History shows that it's often during dips in the business cycle, when companies are failing in droves and the economy is rife with uncertainty, that bold entrepreneurs come along and transform existing markets or create new ones with innovative products.

Some of the most disruptive products in U.S. history, which catalyzed a host of Fortune 500 companies, were launched while our country was either in a downturn or a prolonged bear market.

A Forbes study suggests ground-breaking innovations are often correlated with periods of lower GDP growth.

Here's a list of 9 disruptive products that were launched in years when entrepreneurial risk-takers decided to innovate more -- rather than pull back -- during previous bear markets and recessions:

Best Brands Launched During A Recession
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