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(Jimmy of the Clue Crew shows a video on the monitor.) Spiked teeth pull cotton fibers through ametal plate with slots, built too small to permit seeds to pass through in the 1794 invention of this man |
Eli Whitney
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$400 |
J |
INVENTION & INNOVATION |
2016-09-26 |
#7366 |
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The National Inventors Hall of Fame said his work "brought the South prosperity", but he was out of business within 5 years |
Eli Whitney
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FJ |
INVENTORS |
2012-05-18 |
#6380 |
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In 1798 this cotton gin inventor began using a system of interchangeable parts to make muskets for the U.S. government |
Eli Whitney
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$600 |
J |
INVENTORS & INVENTIONS |
2006-10-06 |
#5075 |
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In 1812 the U.S. Congress denied his petition for the renewal of his patent for the cotton gin |
Eli Whitney
|
$400 |
DJ |
INVENTORS & INVENTIONS |
2000-07-14 |
#3670 |
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He and Phineas Miller received a cotton gin patent in 1794, but it didn't get court protection until 1807 |
Eli Whitney
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$200 |
J |
INVENTORS & INVENTIONS |
2000-03-30 |
#3594 |
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It's said he added a wire comb to his cotton gin at the suggestion of Catherine Greene, a widow |
Eli Whitney
|
$200 |
J |
INVENTORS & INVENTIONS |
1997-05-28 |
#2948 |
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In 1812 Congress denied his patent renewal for the cotton gin |
Eli Whitney
|
$200 |
J |
INVENTORS |
1997-02-21 |
#2880 |
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He held a 1794 patent for a device he invented in just 10 days, for cleaning greenseed cotton |
Eli Whitney
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$200 |
J |
INVENTIONS |
1996-11-26 |
#2817 |
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While fighting for his patent for the cotton gin, he made arms for the U.S. government |
Eli Whitney
|
$600 |
DJ |
INVENTORS |
1996-01-25 |
#2629 |
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There already was a machine to remove the seeds of coastal cotton; he invented one for inland cotton |
Eli Whitney
|
$200 |
DJ |
INVENTORS |
1991-06-27 |
#1589 |