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Great American Inventions/Inventors:

1899: The Flashlight (aka Torch)
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American Electrical and Novelty Manufacturing Company (Eveready)
 
Great American Inventions/Inventors:

1940's: Chemotherapy
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Louis S. Goodman
and Alfred Gilman invented Chemotherapy
 
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Great American Inventions/Inventors:

1915: Pyrex Glass

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Eugene Sullivan, director of research at Corning Glass Works, invented Pyrex glass (low expansion when heated, shock resistant)
 
Great American Inventions/Inventors:

1965: The Press-and-Seal plastic ziplock bag

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Steven Ausnit invented the ziplock bag.
 
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Great American Inventions/Inventors

1927: Constant Velocity Joint (CV Joint)

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Alfred H. Rzeppa invented the CV-Joint (early version)
 
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