American inventor Eli Whitney was granted a patent for a ground-breaking new type of cotton gin.
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George B. Selden was granted the patent for a gasoline internal combustion engine car.
The clip-on tie was designed.
Inventor and electrical engineer Guglielmo Marconi applied for the patents for the radio.
The sweeping machine (vacuum cleaner) was patented in Chicago, US, by Ives W. McGaffey.
The first US fire extinguisher patent was granted to Alanson Crane, Virginia.
