You may also need to be specific on colour. This could be Beats (by dre) or what that appeared to rip off, the logo for Bebo. These two spring to mind for me
olympic logo
The distance around the outside of a circle is called the Circumference.
HA gayyyyy
Opel
my school logo
Camper
bayer
It means the logo has a copyright.
Beats by dre
zipcar
bayer
Beats by Dr. Dre (beats audio)
Zurich
Intel
Converse.
Alohtrz
AOL