George Robert Carruthers

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1Science / Creativity / Arts / Invention / Technology / Culture / Elijah McCoy / George Robert Carruthers / Technological change / Innovation / Science and technology in the United States / Patent law

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
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