Patents by Inventor Cham Chung Wong

Cham Chung Wong 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).

  • Multi-size cap
    Patent number: 6868559
    Abstract: A multi-size cap comprises a crown portion having a plurality stretchable gores, a double-layer, seamless headband composed of a stretchable material connected to the peripheral edge of the crown portion, and an elastic band external to the headband extending the entire length of the lower peripheral edge along the inside surface of the crown portion. The cap is adaptable to comfortably and securely fit a variety of head sizes.
    Type: Grant
    Filed: May 24, 2004
    Date of Patent: March 22, 2005
    Inventor: Cham Chung Wong