What do the trademark TM and R mean?
TM: trademark – any name, symbol, figure, letter, word, or mark adopted and used by a manufacturer or merchant in order to designate his or her goods and to distinguish them from those manufactured or sold by others. A trademark is a proprietary term that is usually registered with the Patent and Trademark Office to assure its exclusive use by its owner. R: registered trademark – a trademark that is officially or legally certified by a government, as the U. S.