Patents by Inventor Jerry Vernard Kramer

Jerry Vernard Kramer 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: 7543400
    Abstract: A machine towed by a snowmobile that forms parallel cross country snow skiing tracks and having a water container mounted thereon, which streams water through two water outlet ports by gravity and assist from the use of an air pump, powered by a storage battery to the bottom portion of the skiing tracks, where the water turns to ice in below freezing temperatures, thus imparting a slippery surface to the tracks, which provides an improved skiing surface that enhances the gliding action for the enjoyment of a skier.
    Type: Grant
    Filed: May 16, 2005
    Date of Patent: June 9, 2009
    Inventor: Jerry Vernard Kramer