Patents by Inventor Kuo-Chen Liao

Kuo-Chen Liao 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).

  • Foldable anti-slip means
    Patent number: 4745692
    Abstract: The present disclosure is related to a foldable anti-slip device mounted at the bottom of shoes adapted for mountain-climbing and snow-walking use, which consists of a pivotable slip-proof member, outwardly exposed for effecting the purpose and retractably received in a concave recess when not needed.
    Type: Grant
    Filed: March 12, 1987
    Date of Patent: May 24, 1988
    Inventor: Kuo-Chen Liao