Harvey Kennedy patented the modern shoelace, which included aglet reinforced tips.
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American businessman King Camp Gillette was granted his patent for the safety razor.
Robert Watson-Watt demonstrated radar in Slough, England, UK.
British pharmacist John Walker invented the matchstick by accident.
A patent was awarded to Willis Carrier, which gave us the world’s first Air Conditioner.
Leonard Norcross was granted the first US patent for an underwater diving suit.
