Patents by Inventor Cham Wah Wong

Cham Wah 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).

  • Elastic cap
    Patent number: 7882572
    Abstract: The elastic cap includes a cap body, a cap bill joined to the cap body, a sweatband secured to a lower periphery of the cap body, and a strip of core wrapped by the sweatband. The sweatband is constructed with a stretchable material. The strip of core is constructed with a non-stretchable material having a liquid absorbent or liquid draining property. The strip of core extends over a forward portion of the sweatband adjacent to the cap bill, but does not extend in a rear portion of the sweatband which is remote from the cap bill.
    Type: Grant
    Filed: October 15, 2007
    Date of Patent: February 8, 2011
    Assignee: Global One Headwear Limited
    Inventor: Cham Wah Wong
  • Elastic cap
    Publication number: 20050132470
    Abstract: An elastic cap, comprising a cap body, cap bill and a sweatband, the fabric used for the cap construction includes a stretchable fabric woven with a high-elastic yarn as woof and an un-stretchable yarn as warp. The sweatband includes at least one of the first four pages having a web and at least one of next two pages does not have web, in order to proved excellent lateral tensile force. The cap is easily adjustable so as to adapt easily to various users head size.
    Type: Application
    Filed: December 13, 2004
    Publication date: June 23, 2005
    Inventor: Cham Wah Wong