Patents by Inventor Melvin Schrier

Melvin Schrier 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: 4611893
    Abstract: The present invention relates to a novel visual acuity chart for testing operators of computers and other apparatus employing cathode ray tube monitors for potential vision problems.
    Type: Grant
    Filed: August 14, 1984
    Date of Patent: September 16, 1986
    Assignee: Eyedex Associates
    Inventor: Melvin Schrier
  • Patent number: 4279479
    Abstract: A simple, inexpensive vision screening device in the form of a compact kit.
    Type: Grant
    Filed: May 29, 1980
    Date of Patent: July 21, 1981
    Inventor: Melvin Schrier