(R)

Appendix:Variations of "r" Translingual Symbol mul symbol mul informal ASCII notation for the registered trademark symbol mul ®. en mul 13 October 1970 New Type Arc Lamp Gives High Intensity Anchorage Daily Times 56 243 Anchorage, Alas. 11 https://www.newspapers.com/newspage/1052570868/ 4 1481095 Rated at about 60 lumens per watt, the molecular arc lamp is about four times as bright as the popular 100-watt household light bulb at 17.5 lumens per watt, but lower than Multi-Vapor (R) metal-halide lamps at about 90 lumens per watt and Lucalox (R) lamps at 117 lumens per watt. Usage notes This version of the symbol has no legal meaning.