Commissioner of patents
COMMISSIONER OF PATENTS. The name of an officer of the United States whose duties are detailed in the act to promote the useful arts, &c., which will be found under the article Patent.
英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。