Patents by Inventor Peter Jastram

Peter Jastram 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: 4307677
    Abstract: The invention relates to a rudder for aquatic craft wherein the rudder member is provided with a fin which is pivotable independently thereof and with a rotor on the front edge of the rudder member and/or between the latter and the fin or between the rudder member and a guide member mounted in front of said rudder member.
    Type: Grant
    Filed: May 1, 1979
    Date of Patent: December 29, 1981
    Assignee: Jastram-Werke GmbH KG
    Inventors: Peter Jastram, Claus Jastram, Jochim Brix