. "USPTO" . "0000000121847516" . "Est devenu \\\"Patent and trademark office\\\" en 1975" . "Instance administrative charg\u00E9e d'\u00E9mettre des brevets et des marques d\u00E9pos\u00E9es aux \u00C9tats-Unis" . "United States. Patent and trademark office" . "11880507"^^ . "Etats-Unis. Patent and trademark office" . "Etats-Unis. Patent office" . . "Etats-Unis. Patent and trademark office" . . "Etats-Unis. Department of commerce. Patent and trademark office" . . . . .