search:patent number search相關網頁資料

- www.uspto.gov
  
  United States Patent and Trademark Office
  
  Home page of the United States Patent and Trademark Office's main web site. ... PATENTS Patent Process Patent Classification Patent Forms Statistics Electronic Business Center Patent Laws, Regulations, Policies & Procedures
  
  2026-04-17
  
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- assignment.uspto.gov
  
  Assignment Search - United States Patent and Trademark Office
  
  Assignment Search This searchable database contains all recorded Patent Assignment information back to August 1980. If you are looking for trademark data, please visit the Trademark Assignment Query. When relevant information is given to the USPTO to be .
  
  2026-04-22
  
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Search for Patents | USPTO

日期：2026-04-17

2009年7月4日 - Find existing patents, published patent applications and other published patent documentation....

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Patents | USPTO - United States Patent and Trademark Office

日期：2026-04-21

2015年2月4日 - Information about the U.S. patenting process, including agency organization chart, rules and regulations, FAQs, and online applications....

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Check the Status of Your Application | USPTO

日期：2026-04-18

行動版 - 2014年12月10日 - Check patent application status with Public and Private PAIR....

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Issue Years and Patent Numbers Since 1836 - United States Patent ...

日期：2026-04-18

26 Mar 2014 ... ... corresponding document number issued in each year for selected patent document .... KEY: search ......

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Patent Search Information: Information on patents, patent searches, help for inventors, and finding patent attorneys and agents. ... Try out some of the links below to find more individual patent topic pages on the Patent Information Search site: About Pa...

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Number Search - Introduction

日期：2026-04-17

Canadian Patents Database Number Search For the last updated information of the database, see the Currency of information area. Search Patent Document Number Enter Patent Document Number to Search: Examples: 2172863, 2173965, 2173673, 1004076...

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Patent Attorney/Agent Search

日期：2026-04-17

Patent Attorneys/Agents Search... The listings contain contact information for attorneys and agents with licenses to practice before the US Patent and Trademark Office. Currently, there are 10820 active agents and 32362 active attorneys. All ......

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Number Search - Canadian Patents Database

日期：2026-04-17

Search Patent Document Number. Enter Patent Document Number to Search: Examples: 2172863, 2173965, 2173673, 1004076. Clear. Last Updated: 2015- 03- ......

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