Patents by Inventor Ripley Quinby, Jr.

Ripley Quinby, Jr. 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).

  • Jump rope
    Patent number: 4281832
    Abstract: A jump rope featuring, in various aspects, a soft cushion element attached to a cord to prevent the cord from striking the ground, thereby decreasing noise; and a grip at each end of the cord including a ring attached to the cord, the cord being adjustably threaded through the ring to form a loop which can be increased or decreased in size to change the operative length of the rope.
    Type: Grant
    Filed: March 18, 1980
    Date of Patent: August 4, 1981
    Inventor: Ripley Quinby, Jr.