Patents by Inventor Eulogio Camacho Tibay

Eulogio Camacho Tibay 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).

  • Ribbon spool with built-in bifacial re-inker
    Patent number: 4037709
    Abstract: This invention relates generally to ribbon spools for typewritten machines and more particularly to a ribbon spool which is provided with a built-in bifacial re-inker adapted to contact the opposite edges of a ribbon wound thereon.
    Type: Grant
    Filed: September 4, 1975
    Date of Patent: July 26, 1977
    Inventor: Eulogio Camacho Tibay