Arthur Schawlow & Charles Townes was granted the first patent for a laser.
Source
Inventor William Gray received a patent for creating the telephone that uses coins to operate it.
Thomas Edison received a patent for his new invention, the phonograph.
Inventor and electrical engineer Guglielmo Marconi applied for the patents for the radio.
A patent was awarded to Willis Carrier, which gave us the world’s first Air Conditioner.
Daniel Halladay patented the self-governing windmill.
