Patents by Inventor Frank J. J. Dijkshoorn

Frank J. J. Dijkshoorn 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).

  • Connecting element
    Patent number: 5133673
    Abstract: A connecting element comprising a base plate, having contact teeth formed from the base plate by through cuts. Each of the through cuts adjoins two further through cuts to prevent tearing of the base plate. A punch is provided for both cutting the base plate and folding the contact teeth.
    Type: Grant
    Filed: April 18, 1991
    Date of Patent: July 28, 1992
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Frank J. J. Dijkshoorn
  • Flexible circuit and a device for holding the flexible circuit in the folded state
    Patent number: 5130499
    Abstract: By folding two or more mutually connected strips of flexible printed circuit film material, an elongated flexible printed circuit comprising a main strip and one or more side strips being produced, with a minimum waste of film material. For holding the flexible circuit in its folded state and controlling the bending radii of the strips, a holding clip which locks automatically on the film material being provided.
    Type: Grant
    Filed: April 25, 1991
    Date of Patent: July 14, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Frank J. J. Dijkshoorn