American Inventors and Inventions
Benjamin Franklin's inventions
Delphion Research intellectual property network - international and US patent search database
Inventors' Digest magazine--Great Info for Inventors!
Inventors and Inventions Theme Page
The drawings of Leonardo da Vinci
TIME.com Inventions of the Year -- The best inventions of 2001
Totally Absurd Inventions & Patents, America's Goofiest Patents
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