Patents by Inventor Walter Sedlmeier

Walter Sedlmeier 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).

  • Combined writing instrument and random number selector
    Patent number: D331777
    Type: Grant
    Filed: December 6, 1990
    Date of Patent: December 15, 1992
    Inventors: Walter Sedlmeier, Leonhard Augenstein
  • Sandbox
    Patent number: D407132
    Type: Grant
    Filed: June 4, 1998
    Date of Patent: March 23, 1999
    Assignee: New and Market Produktentwicklungs-und Verwertungs GmbH
    Inventor: Walter Sedlmeier