Patents by Inventor Elia V. Chepaitis

Elia V. Chepaitis 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: 4737108
    Abstract: A tactile code for use by visually impaired and blind persons comprising embossed alphabet symbols representing the letters of the conventional Roman alphabet and embossed numeral symbols representing the conventional Arabic numerals. All of the alphabet symbols and the numeral symbols comprise at least a frame, and at least some of the alphabet symbols and numeral symbols also comprise an interior portion surrounded by the frame. The alphabet symbols are divided into four regions, the alphabet symbols in the first and third regions having a circular frame and the alphabet symbols in the second and fourth regions having a square frame. Each of the alphabet symbols embodies at least a physical association with its corresponding capital letter of the Roman alphabet. The numeral symbols all have a diamond frame, and each of the numeral symbols embodies at least a logical or physical association with its corresponding Arabic numeral.
    Type: Grant
    Filed: April 22, 1987
    Date of Patent: April 12, 1988
    Inventor: Elia V. Chepaitis
  • Patent number: D321903
    Type: Grant
    Filed: April 22, 1987
    Date of Patent: November 26, 1991
    Inventor: Elia V. Chepaitis