Koch David H

USPTO Trademark & Patent Filings

Koch David H

Trademark applications and grants for Koch David H. Koch David H has 3 trademark applications. The latest application filed is for "BELLA"

Company Profile
    Company Aliases
  • Koch, David H.
  • h david koch
  • Koch, David H. - New York NY
  • Koch; David H. - New York NY
  • Koch; David H - New York NY

Trademarks Patents
Patent Applications
Patent ApplicationDate
Reinforced filtration cartridge and method of making same
20050121391 - 10/672684 Koch, David H.
2005-06-09
Method of making and using a hollow fiber microfiltration membrane
20050103716 - 10/970487 Ji, Jiang ;   et al.
2005-05-19
Hollow fiber microfiltration membranes and a method of making these membranes
20030141251 - 10/058983 Ji, Jiang ;   et al.
2003-07-31
Method of making and using a hollow fiber microfiltration membrane
7,070,721 - 10/970,487 Ji , et al. July 4, 2
2006-07-04
Hollow fiber microfiltration membranes and a method of making these membranes
6,890,435 - 10/058,983 Ji , et al. May 10, 2
2005-05-10
Patent Grants & Applications
Company Registrations
SEC0001588100Koch David H

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