A logo is a versatile symbol; you can put it in almost any place, in your letterheads, business cards, stationary, envelopes, statements, pens, mugs, hats, shirts, watches, stickers and vehicles. Since logo represents your company, you should be careful enough to choose the right symbol that would represent you through the world.
Make sure that the logos you have as well as your company are trademarked and registered. Registration gives you the solitary rights to that logo and its representation. No one else should use your logo without your permission. Federal registration is being required to file for your trademark. It can be in the form of word, phrase, symbol, name device or an amalgamation of the common elements to identify your company’s business.