A symbol with a capital "R" inside a circle represents a registered trademark that is legally registered with the U.S. Patent and Trademark Office. When creating a document, you may wish to place a registered trademark symbol next to a registered trademark within the document. If you are using a PC, you must hold down the "Alt" key and type the specific key combination of 0,1,7 and 4. This process, however, is slightly different when you are using a Mac as the Mac keyboard does not support "Alt" key codes like the PC does.
Open the document on your Mac that needs the registered trademark symbol. Place your cursor in the document where you want to insert the symbol.
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Press and hold the "Option" button on your keyboard.
Press the "R" key on your keyboard while holding down the "Option" key. Release both keys to insert the registered trademark symbol.