Perhaps you are interested in the following logos.

AT&T AT&T vector
AVON AVON vector
b con b b con b vector
CBS CBS vector
deutfcher herold deutfcher herold vector
national exchange national exchange vector
Ricoh Ricoh  vector
SCS SCS vector
VIPCO VIPCO vector
Zanussi Zanussi  vector
5 Hour Recording 5 Hour Recording vector
AAA Chicago Motor Club AAA Chicago Motor Club vector
AG Mercedes AG Mercedes vector
APEC APEC vector
Aido Aido vector