Patents by Inventor Hop Chu

Hop Chu 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).

  • Suction cup with tapered stem
    Patent number: D506380
    Type: Grant
    Filed: April 27, 2004
    Date of Patent: June 21, 2005
    Assignee: Vastbo Industries Limited
    Inventor: Hop Chu