Patents by Inventor Kuang-Muh Chen

Kuang-Muh Chen 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).

  • Folding walker with removable back rest
    Patent number: 6837503
    Abstract: A walker having a detachable backrest is described. The walker contains a seat, and a person may sit in the walker, and rest his or her back against the detachable backrest.
    Type: Grant
    Filed: December 3, 2002
    Date of Patent: January 4, 2005
    Assignee: Nova Ortho-Med, Inc.
    Inventors: Kuang-Muh Chen, Liang Kuo Chen
  • Folding walker with removable back rest
    Publication number: 20040104559
    Abstract: A walker having a detachable backrest is described. The walker contains a seat, and a person may sit in the walker, and rest his or her back against the detachable backrest.
    Type: Application
    Filed: December 3, 2002
    Publication date: June 3, 2004
    Inventors: Kuang-Muh Chen, Liang Kuo Chen