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George Robert Carruthers
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INTERNATIONAL AFRICAN INVENTORS MUSEUM TEACHER’S PACKAGE GRADES 11 – 12
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Source URL: www.iaimuseum.org
Language: English
- Date: 2006-01-09 00:50:51
Science
Creativity
Arts
Invention
Technology
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Elijah McCoy
George Robert Carruthers
Technological change
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Science and technology in the United States
Patent law
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