Patents by Inventor Friedrich Joost

Friedrich Joost 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).

  • Method of forming a folder for reports or statements of account and cover to effect the method
    Patent number: 4537544
    Abstract: A method of forming a folder of documents and a folder for putting the method into effect. The folder has folds or creases defining a spine between a front and a back cover of the folder, and side folds spaced from the spine folds. An adhesive strip covered with a protective film is applied to the interior of the folder along the spine in a region delimited by the side folds. In use the protective film is removed, a sheaf of documents, preferably stapled together, is permanently secured in the folder so that documents cannot be removed without detection.
    Type: Grant
    Filed: March 2, 1983
    Date of Patent: August 27, 1985
    Inventor: Friedrich Joost