Patents by Inventor Franz Preisinger

Franz Preisinger 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).

  • Stamp
    Patent number: D324533
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: March 10, 1992
    Assignee: Stempel- und Schilderfabrik A. Mosthaf GmbH & Co.
    Inventor: Franz Preisinger