Stating that the mere existence of modern supermarket containing wide variety or products should not foreclose further inquiry into the likelihood of confusion arising from the use of similar marks on any goods so displayed
Holding that the board was not in error in dissecting the marks by considering 38 third party registrations having the suffix "tronics" or "tronix" where the holder of the mark "Tektronix" opposed registration of the mark "Daktronics"