American inventor Eli Whitney was granted a patent for a ground-breaking new type of cotton gin.
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Thomas J Martin patented the fire extinguisher.
A team of scientists invented the sports drink Gatorade in a University of Florida lab.
George B. Selden was granted the patent for a gasoline internal combustion engine car.
Isaac Singer was granted his patent for a commercial sewing machine.
Inventor Moses F Gale patented the cigar lighter in the US.
