3M uses RA as the symbol for the coefficient of retroreflection.
CBS uses the eye as a symbol.
The keystone symbol of Pennsylvania is not copyrighted; it is considered a public domain symbol representing the state's significance as the "Keystone State." However, specific designs or uses of the keystone symbol may be protected under trademark law if they are associated with particular products or services. Therefore, while the general concept of the keystone is not copyrighted, its specific representations could still have legal protections.
Klm
The riddler.For the Lost symbol quest: Who means World Health Org.
The symbol for amplitude typically uses a big 'A'.
Qantas Airways uses the airline code QF.
Textron Incorporated uses that symbol. The aerospace industry and defense department are the biggest areas in which this corporation does business at this time.
Even at the stone age people uses drums and mammoth tusks as thrumpets.
Kelvin uses the letter K as its symbol.
Express
They use a panda