Patents by Inventor Garland Ka Lun Yu

Garland Ka Lun Yu 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).

  • Oval umbrella system
    Patent number: 7484516
    Abstract: An oval umbrella system (10) for providing improved precipitation protection for individuals. The umbrella system includes a support member (20), a handle member (30) attached to an end of the support member, a collar (22) slidably positioned about the support member, a plurality of first rib linkages (40) extending from the support member, a plurality of second rib linkages (60) extending from the support member, and a covering (80) attached to the rib linkages (40), (60). The first rib linkages preferably have a greater extended length than the second rib linkages.
    Type: Grant
    Filed: August 19, 2005
    Date of Patent: February 3, 2009
    Inventor: Garland Ka Lun Yu