Patents by Inventor Howard Greenberg

Howard Greenberg 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 training exercise device
    Patent number: 4018441
    Abstract: A training and exercise device combining a jump-rope with a pair of hand-covering elements, such as boxing training gloves, mittens or the like, provided with means for releasably connecting one end of the jump-rope to each of the hand-covering elements.
    Type: Grant
    Filed: November 7, 1975
    Date of Patent: April 19, 1977
    Inventor: Howard Greenberg