Radio Keith Orpheum
RKO Radio Pictures
1936–1959 (Opening logo)
This logo continued to be used during the days when the company was referred to as "RKO Teleradio Pictures."
1937–1959 (Closing logo)
Argulably the most iconic of the bunch due to the apperances on Disney classics.
RKO Pictures eventually became a company owned by GenCorp sometime around 1985.