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Black History Month - African American Patent Holders - B

Illustrations from the original patents

By , About.com Guide

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.
Images 25-35 of 35
Alfred Benjamin #3,039,125 - TextHenry Blair - #X8447Henry Blair - #X8447 - Text Page 1Henry Blair - #X8447 - Text Page 2
Henry Blair - #X8447 - Text Page 3Sarah Boone #473,653Sarah Boone #473,653 - Text Page 1Sarah Boone #473,653 - Text Page 2
Otis Boykin invented an improved electrical resistorOtis BoykinRailway vehicle safety shunt systemGaetano Brooks Planetary transmissions having a stationary gear member and clutched input members Norman K Bucknor #7,150,696
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