Inventor William Gray received a patent for creating the telephone that uses coins to operate it.
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Inventor Chester Carlson created the first Xerox image.
A steamboat patent was granted to the American engineer and inventor Robert Fulton.
Inventor Moses F Gale patented the cigar lighter in the US.
Inventor Elisha Otis acquired a patent for a steam engine for elevators.
The Safety Hood, which would later become the gas mask, was patented by Garrett Morgan.
