Patents by Inventor Chifen Cheng

Chifen Cheng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: D678488
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: March 19, 2013
    Assignee: Fleurco Products Inc.
    Inventors: Robert Schachter, Chi Hai Pham, Chifen Cheng
  • Patent number: D681178
    Type: Grant
    Filed: September 17, 2012
    Date of Patent: April 30, 2013
    Assignee: Fleurco Products Inc.
    Inventors: Robert Schachter, Chi Hai Pham, Chifen Cheng
  • Patent number: D689947
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: September 17, 2013
    Assignee: Fleurco Products Inc.
    Inventors: Robert Schachter, Chi Hai Pham, Chifen Cheng, Jousse Cormier
  • Patent number: D784501
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: April 18, 2017
    Inventors: Chi Hai Pham, Robert Schachter, Chifen Cheng