Patents by Inventor Pei-Yi Lee Tsai

Pei-Yi Lee Tsai 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).

  • Publication number: 20080301973
    Abstract: A non-slip shoe cover includes a body, a toe cap and a holding member. The body has a sole, multiple protrusions and multiple studs. The sole has a bottom, a front section, a rear section and a cutout defined between the front section and the rear section. The protrusions are formed integrally on the front section and the rear section of the sole and protrude out from the bottom of the sole. The studs are mounted on the front section and the rear section of the sole and protrude out from the bottom of the sole. The toe cap is formed integrally on the front section of the sole. The holding member is formed integrally on the rear section of the sole.
    Type: Application
    Filed: June 6, 2007
    Publication date: December 11, 2008
    Inventor: Pei-Yi Lee Tsai