patented until的意思

專利截止日期

painted bunting───彩鵡；彩雀

patent still───專利蒸餾器

patent agent───專利代理人

patent agents───專利代理人

patent stills───專利蒸餾器

patented───adj.專利的

patent engineer───專利工程師

painted hunting dog───彩繪獵犬

anted up───預下；預付

The invention was kept under cover until it was patented.───這個發明在取得專利前一直秘而不宣。

kept his invention under cover until it was patented.───專利前，他的發明一直秘而不宣。

wasn't until five years later that the company actually 3 patented and started producing Aspirin.───一直到五年后，這家公司才取得阿司匹林的專利并開始生產。