The clarinet was invented in Nuremberg, Germany, by Johann Christoph Denner.
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Henry S. Parmalee patented the fire sprinkler system.
Thomas Gibson and James Mcgrath patented a steerable sled.
Robert Watson-Watt demonstrated radar in Slough, England, UK.
The world's favorite paper joiner, the stapler was patented by C. H. Gould in England.
John Burr patented a better rotary blade lawn mower, designed with traction wheels and a rotary blade that would not easily get stuck with grass clipping.
