Patents by Inventor Rudolf L. van Renesse

Rudolf L. van Renesse 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: 5621219
    Abstract: A device for determining from one or more different directions the geometrical pattern of a mark being randomly shaped in three dimensions and being embedded in a transparent material and securely fixed to an object. A radiation source is designed to emit radiation to a matrix of radiation detectors. The object is placed with the mark in the path of the radiation for projecting a silhouette of the mark onto the matrix of radiation detectors by the radiation sources.
    Type: Grant
    Filed: May 11, 1995
    Date of Patent: April 15, 1997
    Assignee: Unicate B.V.
    Inventors: Rudolf L. van Renesse, Teunis Tel, Bart Snijders