Patents by Inventor Adrianus A. M. Hendriks

Adrianus A. M. Hendriks 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).

  • Gas discharge character display tube with apertured mica plate
    Patent number: 4048538
    Abstract: In a two-digit glass indicator tube the cathode segments with their supply conductors are fixed by enamel to the flat rear walls below a frame of sintered glass against which the front wall bears. Bent parts of conductors and electrodes determine the distance between the front wall and the rear wall. Other parts clamp a mica plate on the supply conductors.
    Type: Grant
    Filed: June 15, 1976
    Date of Patent: September 13, 1977
    Inventors: Adrianus A. M. Hendriks, Henri-Jean G. M. Van Daelen