Patents by Inventor Paul J. Hydro

Paul J. Hydro 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: 4158457
    Abstract: The invention discloses male and female handles for jump ropes or skip ropes which allow connection of two or more jump ropes to form ropes of varying lengths. Thus with only one type of rope all forms of rope exercise can be performed including joint turning, Chinese jump rope etc. The invention also discloses stationary mounts which are used to attach one handle or the other handle so that two participants can participate in multiple jump rope exercises.
    Type: Grant
    Filed: November 30, 1977
    Date of Patent: June 19, 1979
    Inventor: Paul J. Hydro