1919–1923[]
This logo was used alongside its successor in 1922 and 1923.
1919–1922[]
Alternate "RC" monogram mark used on vacuum tubes and smaller assemblies
1922–1968[]
Early version with lettering drawn three-dimensionally, used until ca. 1929
RCA Records used a similar logo from 1987 until 2015, when they switched back to the 1968 logo.
It was still used for RCA Photophone until 1979.
1967 (prototypes)[]
1968–present[]
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January 15, 1968
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Color variant used until the late 1970s.
100th anniversary variant (2019)
