在英国专利局里,有以下种种让人瞠目结舌、笑掉大牙的“古怪”发明。降落伞帽子降落伞帽子是为那些在高空作业的人发明的。戴上这种帽子,万一不小心从高空摔下来,帽子就会膨胀成为一把降落伞。然而,该项发明专利申请以来,却从来没有被谁买下来投入生产。因为安全帽是用一根绳子 In the British Patent Office, there are the following “jaw-dropping” inventions that make people startle and laugh away from each other. Parachute hats parachute hats were invented for those who work at heights. Wear this hat, inadvertently fall from high altitude, the hat will be expanded into a parachute. However, since the invention patent application, it has never been bought and put into production. Because the helmet is a rope