一项获23个国家专利权、5次获国际发明金奖的发明专利,因为无力支付专利年费,2月28日后即将在一些国家失效。专利发明人范朝来无奈之下到北京求助,一个多月后仍一无所获。时间一天天过去,燃眉之急谁来解决? 范朝来从20世纪80年代末开始研制“自动同步开合式螺纹装置”,将台钳等螺杆机构五金工具的工效提高10多倍,1999年10月通过由知名科学家 An invention patent, which won 23 national patents and 5 international invention awards, was unable to pay the annual patent fee and will soon expire in some countries after February 28. Patented the invention of Fan Chaoyao desperation to Beijing for help, still more than a month after nothing. Time passed, the urgent need to solve Fan from the late 1980s developed the “automatic simultaneous opening and closing threaded device”, the vise and other screw mechanism hardware tools to improve work efficiency 10 times in October 1999 by the Well-known scientist