Patents by Inventor Loth Voskuilen

Loth Voskuilen 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: 4771165
    Abstract: An identification code provided in relief on an object is read in that a radiation beam is obliquely incident on the surface on which the identification code is provided, and in that the identification code is observed by a detection system by means of the shadows thus cast.
    Type: Grant
    Filed: March 31, 1987
    Date of Patent: September 13, 1988
    Assignee: U.S. Philips Corporation
    Inventors: Geerhard van Hulzen, Loth Voskuilen