Patents by Inventor Chan Man Sing

Chan Man Sing 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).

  • Hose attachment
    Patent number: D831791
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: October 23, 2018
    Assignee: Berlin Packaging, LLC
    Inventors: Kieron Tse, Martin Rathgeber, Chan Man Sing, William Arthur Hudson
  • Hose attachment body
    Patent number: D851728
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: June 18, 2019
    Assignee: Berlin Packaging, LLC
    Inventors: Kieron Tse, Martin Rathgeber, Chan Man Sing, William Arthur Hudson
  • Hose attachment sprayer end
    Patent number: D851729
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: June 18, 2019
    Assignee: Berlin Packaging, LLC
    Inventors: Kieron Tse, Martin Rathgeber, Chan Man Sing, William Arthur Hudson