Patents by Inventor Harv Voris

Harv Voris 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).

  • Progressive resistance exercise device
    Patent number: 4765613
    Abstract: A resistance mechanism for exercise devices which progressively varies resistance applied to a lifting mechanism in only positive resistance directions, while reducing the resistance to substantially zero if the lifting mechanism is moved in a negative resistance direction.
    Type: Grant
    Filed: January 22, 1987
    Date of Patent: August 23, 1988
    Assignee: Paramount Fitness Equipment Corporation
    Inventor: Harv Voris