The cellphone is one of the most influential inventions of the modern era. It reshaped communication, transformed global ...
SAN DIEGO, CALIFORNIA, UNITED STATES, March 1, 2023 /EINPresswire.com/ -- Safe Call - EarPhone - Eyes and hands-free, new mobile phone invention... the newest smart ...
"I wanted to create a simple and secure way to receive text messages on your phone when you know Morse Code or desire to learn it," said an inventor, from Escondido, Calif., "so I invented the ...
Collection is open for research but is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at [email protected] or 202-633-3270. Portions ...
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