Patents by Inventor Chi Sheung Wan

Chi Sheung Wan 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: D642999
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: August 9, 2011
    Assignee: British Sky Broadcasting Limited
    Inventors: Chi Sheung Wan, Edward Snodgrass
  • Patent number: D973043
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: December 20, 2022
    Inventor: Chi Sheung Wan
  • Patent number: D973645
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: December 27, 2022
    Inventor: Chi Sheung Wan