Can you name the Invention based on its patent name?
- Answers do not have to be guessed in order
- Source: US Patent and Trademark Office
- All of these inventions are still relevant or well-known to this day, although usually by very different common names.
- This quiz has not been verified by Sporcle
Patently Useful Quiz
- Created Mar 9, 2012 in History
- Game Plays 27
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