During the court litigations of 1893 the general counsel for the General Electric Company was Frederick P. Fish. It was he who also suggested the name MAZDA for the newly introduced tungsten filament lamp. It carries the trademark No. 77,779, having been registered May 3, 1910. The trademark MAZDA was not the name of a lamp but rather the mark of a service. The word MAZDA was first used on lamps on Dec 21, 1909. It's believed that MAZDA lamps made from that date to about May of 1911 utilized sintered tungsten filaments, whereas those made after May 1911 utilized drawn tungsten filaments. Westinghouse used the name MAZDA starting in 1912. The name was not used by the General Electric Company after 1945. In 1921 it was agreed within General Electric that

"Words that are descriptive of the appearance of the lamp will precede the word MAZDA, as in the case of the White MAZDA lamp. Words descriptive of the function of the lamp will follow the word MAZDA, as in the case of the MAZDA Mill Type lamp, the MAZDA Train Lighting lamp, or the MAZDA Motion Picture lamp."