Black History Month - African American Patent Holders
Illustrations from original patents
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.
Graphic Index | Text Index
 Joseph H Smith #581,785 - Text Page 1 |  Joseph H Smith #581,785 - Text Page 2 |  Joseph H Smith #601,065 |
 Joseph H Smith #601,065 - Text Page 1 |  Joseph H Smith #601,065 - Text Page 2 |
African American Patent Holders - Black Inventors
Black History - Trivia & Books
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