Patents by Inventor Donald Ericksen

Donald Ericksen 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: 5033740
    Abstract: An apparatus for exercising. The apparatus comprises a first portion having a predetermined weight. The first portion is grippable by a hand and has a first end and a second end. The apparatus is also comprised of N second essentially rigid portions connected to the first portion such that the N openings are defined by the first portion and the N second portions where N.gtoreq.1. The N openings are each capable of receiving a hand in a manner that essentially does not affect blood pressure or blood circulation through the hand. The first portion is disposed with respect to the front of the hand and the second portion is disposed with respect to the back of the hand. An exerciser uses the apparatus by placing his hand through the opening and gripping the first portion.
    Type: Grant
    Filed: November 16, 1990
    Date of Patent: July 23, 1991
    Assignee: Leonard Schwartz
    Inventors: Leonard Schwartz, Donald Ericksen