25 ene 1947 año - 1947
Thomas T.Goldsmith Jr. 
and Estle Ray Mann file 
a patent for a "cathode ray
tube amusement device."
Descripción:
 1947
Thomas T.Goldsmith Jr. and Estle Ray Mann file a patent for a "cathode ray tube amusement device."
Their game, which uses a cathode ray tube hooked to an ascilloscope display, challenges players to fire a gun at a target. 
Añadido al timeline:
fecha:
25 ene 1947 año
Ahora mismo
 ~ 78 years ago 
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