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    The tin can was invented in 1810, but people would be bashing away at it with a hammer and chisel for 48 years until Ezra Warner invented the first can opener.

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Michael Pupin patented his improvement in long distance telephony

On the 19th June, 1900, Michael I. Pupin received a patent for his improvement in telephony, where loading coils allowed for long-distance transmissions.

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  • On 1st February, 1983, The first digital voice mail system was patented... Read more »
  • On 17th November, 1891, Emile Berliner patented the combined telegraph and telephone... Read more »
  • On 10th March, 1891, Almon Strowger patented his Automatic Telephone-Exchange... Read more »
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