Patents by Inventor Chuan Hsun Lo

Chuan Hsun Lo 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: 20030030237
    Abstract: A wheel holder assembly includes a mounting frame fixedly mounted inside one bottom hole of the sole of a shoe, a wheel holder frame turned about a shaft in the mounting frame to hold a wheel between a received (the non-operative) position and an extended (the operative) position, a torsional spring adapted to support the wheel holder frame in the extended position, and a spring-supported, press pin-controlled locking device adapted to lock the wheel holder frame between the received position and the extended position.
    Type: Application
    Filed: August 9, 2001
    Publication date: February 13, 2003
    Inventors: Chuan Hsun Lo, Teng Wang Lin