Patents by Inventor Harm Gerrit Benthem

Harm Gerrit Benthem 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: 4039701
    Abstract: A method of metallizing a screen with a luminescent layer. The method comprises the following steps: providing a film that can be fired. Blasting parts of the film projecting beyond the luminescent layer with a fine-granular material, metallizing the film, firing the film. The said blasting prevents blisters and chips from forming in the metallization.
    Type: Grant
    Filed: July 21, 1975
    Date of Patent: August 2, 1977
    Assignee: U.S. Philips Corporation
    Inventors: Harm Gerrit Benthem, Cornelis VAN Straten