Patents by Inventor Werner B. Pfeiffer

Werner B. Pfeiffer 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).

  • Toy building component
    Patent number: 5000717
    Abstract: Component is made from a rectangular sheet of stiffly flexible material and is divided by scoring into a central panel and three end panels on each side, all the panels in a row. The end panels are folded into tubular triangular shapes which overlie the central panel and the vertices of the triangles remote from the central panel are drawn together and held in drawn-together shape by elongate plastic fasteners of U-shape cross-section.
    Type: Grant
    Filed: April 2, 1990
    Date of Patent: March 19, 1991
    Inventor: Werner B. Pfeiffer
  • Decorative object comprising panels joined with slide fasteners
    Patent number: 4137683
    Abstract: Decorative object comprises a plurality of panels joined by slide fasteners. Surface ornamentation on the assembled panels may be continuous. Preferably, all of the panels are a single ply sheet of a woven fabric such as canvas. The decorative object is secured to support means.
    Type: Grant
    Filed: October 20, 1977
    Date of Patent: February 6, 1979
    Inventor: Werner B. Pfeiffer