patents issued

patents issued we learned from the last two paragraghs that business-method patents are often unnecessarily issued.issue 为什么+d issued be issued be issued protected by patents怎么翻译? 请问Protected by patents的意思是什么? let me introduce my patents ( ) you 美国签证issued是什么意思 CERTIFICATE OF ORIGIN ISSUED visa issued 多久 退税单issued by 签证issued是什么意思 passport issued by 签证issued是什么意思 be issued for是什么意思 Where ___ your patents patents read books?A.does B.do C.are D.am approved and issued by 是什么意思