English
全部
搜索
图片
视频
地图
资讯
更多
购物
航班
旅游
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
过去 7 天
时间不限
过去 1 小时
过去 24 小时
过去 30 天
最佳匹配
最新
资讯
Investopedia
2 天
What Is a Patent in Simple Terms? With Examples - Investopedia
A patent grants property rights to the inventor of a process, design, or invention for a set time in exchange for a comprehensive disclosure of the invention.
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
Lisa Cook sues Trump
CDC director ousted
Missing boy found dead
Sentenced to 4 days in jail
MX halts US postal shipments
Wife gives health update
Involved in heated exchange
GA county fined $10K a day
NFL eases restrictions
Approves updated shots
Theft ring nabbed
Ex-NFL player arrested
Minneapolis school shooting
To attend Chinese parade
Russian attack on Kyiv
Jackpot grows to $950M
Found guilty of hate speech
Emil Wakim exits 'SNL'
Fires two employees
Names new US ambassador
La. urges to bar use of race
Nvidia breaks sales record
Launches bid for Congress
US weekly jobless claims fall
Airstrikes hit Yemeni capital
Susan Collins heckled
US economy grows 3.3%
To tighten duration of visas
GOP probes alleged bias
Micheal Ward granted bail
Caldwell leaving Panthers
反馈