character: Elias Howe
topic: Inventor of the Sewing Machine
grade: 8
subject: Social Studies
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character: Thomas Edison
topic: Impact of Patent Laws on Innovation
grade: 8
subject: Social Studies
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character: Benjamin Franklin
topic: Early American Inventors and Patent Issues
grade: 8
subject: Social Studies
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character: Alexander Graham Bell
topic: Patents and the Invention of the Telephone
grade: 8
subject: Social Studies
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