Patents by Inventor Daniel M. Pertschuk

Daniel M. Pertschuk 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).

  • Exercising apparatus
    Patent number: 4457510
    Abstract: To support the feet of a user during ninety-degree bent-knee situps, a semi rigid panel is secured to a wall above the floor and a pair of juxtaposed Velcro hook-type patches are secured to the face of the panel. Conventional elastic foot-ankle supports or anklets are put on the feet but reversed with longer portions on the feet and a pair of Velcro loop-type patches are secured to the soles of the anklets to detachably engage with the patches on the wall.
    Type: Grant
    Filed: September 13, 1982
    Date of Patent: July 3, 1984
    Inventor: Daniel M. Pertschuk