- In 1957 Leonid Kupriyanovich presented a micro walkie-talkie radio version the size of a matchbox, 50g in weight and had 2 km operating distance.
- Leonid Kupriyanovich was born on 14 July 1929. ... Why isn’t Kupriyanovich famous? Kupriyanovich’s invention had a lot of potential to succeed.
- In 1957, in the 8th issue of the journal Science and Life, a photograph of the first mobile phone of Leonid Kupriyanovich was published.
- In 1953, a young Soviet radio engineer named Leonid Kupriyanovich, a recent graduate of the ‘Baumanka’ - the Bauman Moscow State Technical University...
- The Man Behind the First Mobile Phone: Remembering Leonid Kupriyanovich #shorts #history #ussr.
- Leonid Kupriyanovich was born on 14 July 1929. ... Why isn’t Kupriyanovich famous? Kupriyanovich’s invention had a lot of potential to succeed.
- Soviet radio engineer and inventor Leonid Kupriyanovich got a patent in 1957 for a wireless phone device. The first portable cell phone weighed 6.6 lbs.
