I assume you mean what years was radio invented, 1897 was the year of Tesla's patent.
Rudolf Hertz did not invent anything. He was a physicist who discovered electromagnetic waves and the photoelectric effect. Hertz's work laid the foundation for the development of radio technology.
Paul Galvin invented the battery-powered portable radio in 1923, which led to the founding of Motorola. He also played a significant role in developing the car radio.
Thomas Edison invented the phonograph in 1877.
We know that in St. Louis, Missouri, Nikola Tesla made the first public demonstration of a modern wireless system in 1893 but The Marconi Company Ltd. was founded by Guglielmo Marconi in 1897 as The Wireless Telegraph & Signal Company. He also a patent for the radio which taken away from him a given to Nikola Tesla after studies showed he came with the radio before Marconi and that Marconi used 17 patents from Tesla to achieve his radio which a short range radio compared to Tesla's long range radio.
Thomas Edison invented the lightbulb in 1879.
in 1895
Radio
No. The radio was invented by Guglielmo Marconi.
Gugliemo Marconi invented the radio in 1895.
the radio
The radio.
he didn't
yes
Marconi
radio
WINDUP RADIO
radio