Patents by Inventor Remco S. Schoppen

Remco S. Schoppen 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).

  • Display element of transparent plastic with fluorescent colorant
    Patent number: 5309658
    Abstract: An element is disclosed for displaying one or more portions of characters or shapes, wherein the display element comprises partially transparent plastic in which fluorescent colorant is incorporated. Preferably the inside of one head end is provided with a profiled form.
    Type: Grant
    Filed: June 8, 1992
    Date of Patent: May 10, 1994
    Inventors: Henri Cohen, Gertjan R. Willemsen, Remco S. Schoppen
  • Reflector
    Patent number: D323789
    Type: Grant
    Filed: October 24, 1989
    Date of Patent: February 11, 1992
    Inventors: Henri Cohen, Gertjan R. Willemsen, Remco S. Schoppen