Included in this photo gallery are the drawings and text from original patents. These are copies of the originals submitted by the inventor to the United States Patent and Trademark Office. Also included in this photo gallery where possible, are the photos of individual inventors and their inventions.
 Paul Williams - Helicopter design Figures 9 - 12 |  Joseph Winters - Fire escape ladder |  Granville Woods Amusement apparatus |  Kevin Woolfolk - Squirrel cage |
 James Young - Battery performance control |
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