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Patent Analysis: Thomas Edison's Lightbulb
Watch lightbulbs go off in learners' heads as they look at a patent for Thomas Edison's most famous invention. After examining the light bulb patent, young historians speculate on how the invention changed life in the 1880s and its...
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Patent Analysis: Joseph Glidden's Barbed Wire
Barbed wire may have made cattle farming easier, but it brought to an end the free-roaming days of the plains. No longer could Native American groups continue their nomadic lifestyle, and the days of cowboys herding large groups of...
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What is Patent Number 1,693,515?
Scholars examine a document from 1928 featuring a mystery invention. Following their observations and discussion, the document reveals the invention of the permanent wave machine by Marjorie S. Joyner. Class members read about Joyner,...
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Patent Analysis: Alexander Graham Bell's Telephone
Believe it or not, the plugs and wires on Alexander Graham Bell's patent application for telegraph improvements has a direct connection to devices today. Young historians examine the fine details of the patent application. After they...
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Patent Analysis: Wright Brothers' Flying Machine
Ideas take flight in an exciting activity exploring the Wright Brothers. Scholars view the Wright Brothers' patent for their flying machine and makes educated guesses as to the purpose of the document. Scholars discuss the purpose of...
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Patent Analysis: J.W. Davis and Levi Strauss's Fastening Pocket Openings
Commonplace today, the zipper and button construction of blue jeans was a major innovation. Using the patent for the J.W. Davis and Levi Strauss innovation, individuals comb an image of the fly for clues. Afterward, they discuss its...