If you've ever walked into a bike shop to buy an inner tube, the first question you'll be asked, aside from 'which size?', will be 'Presta or Schrader valve'? If this question has left you feeling ...
Roughly 130 years ago, New Yorker August Schrader and his able son, George, applied to the U.S. Patent and Trademark Office to protect the ownership of their new invention. It was a valve. "This ...
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