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African American inventors Lemelson Center for the Study of Invention and Innovation
Black History Month: Inventors that helped change the world - Delta Collegiate
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Rosetta Writer
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American Handgunner July/August 1977
Black History Month Presentation - ppt download
W. A. Martin, African American inventor, patented the lock (July 21, 1889). This was an improvemen…
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Sign In Benjamin banneker, African american inventors, Black history
Celebrating African American Inventors - Helix Electric
