Patents by Inventor Calvin Chun Keung Chan

Calvin Chun Keung Chan 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).

  • Beater
    Patent number: D737097
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: August 25, 2015
    Assignee: SEVERIN ELEKTROGERAETE GMBH
    Inventor: Calvin Chun Keung Chan
  • Beater
    Patent number: D784078
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: April 18, 2017
    Assignee: SEVERIN ELEKTROGERAETE GMBH
    Inventor: Calvin Chun Keung Chan