The clarinet was invented in Nuremberg, Germany, by Johann Christoph Denner.
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Arthur Schawlow & Charles Townes was granted the first patent for a laser.
American inventor Eli Whitney was granted a patent for a ground-breaking new type of cotton gin.
Leonard Norcross was granted the first US patent for an underwater diving suit.
A circus performer patented the modern trampoline.
The first printing of the Gutenberg Bible was completed.
