Chen, Weifang

USPTO Trademark & Patent Filings

Chen Weifang

Trademark applications and grants for Chen, Weifang. Chen, Weifang has 3 trademark applications. The latest application filed is for "PUPDC"

Company Profile
    Company Aliases
  • Chen Weifang
  • Chen, Weifang
  • weifang chen
  • Chen; Weifang - State College PA
  • Chen, Weifang - State College PA
Entity Type INDIVIDUAL
Address Xingtian Street Office No. 6, Daba Lane Xingning, Guangdong CHINA 514500

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Trademarks Patents
Patent Applications
Patent ApplicationDate
Method for oxyanion removal from ground water
20060102562 - 11/257727 Cannon; Fred S. ;   et al.
2006-05-18
Method for perchlorate removal from ground water
20050167366 - 11/059733 Cannon, Fred S. ;   et al.
2005-08-04
Method for perchlorate removal from ground water
20030080065 - 10/164843 Cannon, Fred S. ;   et al.
2003-05-01
Method for oxyanion removal from ground water
7,572,380 - 11/257,727 Cannon , et al. August 11, 2
2009-08-11
Method for perchlorate removal from ground water
7,157,006 - 11/059,733 Cannon , et al. January 2, 2
2007-01-02
Method for perchlorate removal from ground water
6,881,348 - 10/164,843 Cannon , et al. April 19, 2
2005-04-19
Patent Grants & Applications
Trademark Applications

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