单词：letters of patent
单词：letters 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
President Barack Obama has signed legislation to speed the process of approving U.S. patents. The president says the new law is part of his initiative to create jobs and stimulate economic growth. President Obama visited a high school for science and
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
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