Patents by Inventor Chen L. Yun

Chen L. Yun 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).

  • Patent number: 5445586
    Abstract: A jump rope comprises a cord assembly and a pair of handle assemblies for flexibly coupling the cord assembly. Each handle assembly has a hollow cylinder handle having a large diameter flange integral with an annular member formed at one end, a cap member having a centrally formed circular hole fastened to the annular member and a funnel shaped adaptor intermediately retained within a circular space between the cap member and the annular member. A hoop member connected to each end of the cord is flexibly retained by the funnel shaped adaptor of the handle assembly therein so as to prevent the cord from twisting or jamming.
    Type: Grant
    Filed: September 13, 1994
    Date of Patent: August 29, 1995
    Inventor: Chen L. Yun