IN 1572 the Privy Council of Elizabeth I, the queen of England, refused to grant patent protection to new knives with bone handles because the improvement was marginal.
IN 1572 the Privy Council of Elizabeth I, the queen of England, refused to grant patent protection to new knives with bone handles because the improvement was marginal.
1572年，英女王伊丽莎白一世的枢密院以创新性太小而拒绝了带骨把的刀子的专利权申请。