Alan Blumlein is the inventor of the stereo. Blumlein invented the first stereo in 1931. Many of his developments on the stereo did not reach completion until 1935.
kayla lewis in 1877
The first portable stereo was not sold in America. The Stereobelt was invented in 1972 by Andreas Pavel. The Stereobelt is the ancestor of the Sony Walkman.
The Walkman!
2009
The first portable clock or timepiece was invented in 1504 in Nuremberg, Germany. Peter Henlein was the inventor and his piece was not very accurate.
hoover
you chicken
Karl Benz invented the world's first car
The worlds first light switch was invented by Moe Goldberg in 1893.
the wright brothers
Robert Hooke.
The first portable DVD players were introduced in 1998 by Panasonic. While newer portable DVD players have an average screen size of 7 inches, the first portable DVD player's screen was only 5 inches.
the first was made by Wayne kur