Patents by Inventor Fritz Steffen

Fritz Steffen 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: 5096226
    Abstract: A label for sticking or sealing on an object is characterized in that is comprises at least three (a, b, c) panel portions (1) which are connected together in a row by fold lines (2), wherein the third panel portion (c) in the row is folded over in plane-parallel relationship on to the second panel portion (b) and in a direction normal to the fold lines (2) is narrower than the second panel portion (b) and the first panel portion (a) in the row is folded over in plane-parallel relationship on to the third panel portion (c) and secured thereto.
    Type: Grant
    Filed: June 4, 1990
    Date of Patent: March 17, 1992
    Inventor: Fritz Steffen
  • Patent number: 4583764
    Abstract: A working folder comprises first and second cover panels folded one upon the other with the panels being joined to each other through a common fold edge. The folder also includes a cut-out portion in the second cover panel and a pocket panel which forms an insertion pocket together with the first cover panel; the edge of the cut-out portion in the second cover panel overlaps at least one edge of the pocket panel in the first cover panel. The folder can be fabricated with minimal waste of material and with a minimal number of fabrication steps.
    Type: Grant
    Filed: May 7, 1984
    Date of Patent: April 22, 1986
    Inventor: Fritz Steffen