Patents by Inventor Josephus A. Verdult

Josephus A. Verdult 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).

  • Method of applying luminescent material to a glass support
    Patent number: 4233336
    Abstract: To apply of a coat of granular luminescent material which comprises an yttrium compound an aqueous suspension is used which contains an alginate as a binder.
    Type: Grant
    Filed: June 25, 1979
    Date of Patent: November 11, 1980
    Assignee: U.S. Philips Corporation
    Inventors: Josephus A. Verdult, Lambertus W. J. Manders