单词：date of patent
单词：date of patent 相关文章
By Jerilyn Watson Broadcast: October 6, 2003 (THEME) VOICE ONE: An office in the United States government has helped protect 1)the property rights of inventors for more than two-hundred years. Its job
VOA2003（下）-美国人文故事
The United States has issued its 10 millionth patent. President George Washington signed the first almost 228 years ago. A patent is an official document that gives an individual or company the right to be the only one that makes or sells a product.
2018年VOA慢速英语(六)月
SAN FRANCISCO, June 22 (Xinhua) -- Apple Inc. has been awarded a long sought-after patent for touch screen functionality on portable devices, a set of exclusive rights expected to play into its current litigation against its counterparts in the mobil
英语新闻
SAN FRANCISCO, April 4 (Xinhua) -- Google Inc. on Monday announced that it is bidding for patent portfolio of Nortel Networks in the bankruptcy auction for the Canadian telecommunications equipment maker. In a press release, the Toronto-based Nortel
英语新闻
SAN FRANCISCO, Aug. 24 (Xinhua) -- A U.S. federal court jury on Friday said it has found Samsung infringed six of Apple's patents and ordered it to pay more than 1 billion U.S. dollars in damages to Apple. The verdict was read in a U.S. district cour
英语新闻
今天我们要学的词是prescription。Prescription, 名词，意思是处方。最近美国卫生和公众服务部宣布，不支持在无处方的情况下向16岁以下的女孩销售紧急避孕药。 The Department of Health and Human Servic
英语单词荟萃