Patents by Inventor Pedro Nicolas Cannarozzo

Pedro Nicolas Cannarozzo 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).

  • Perpetual calendar
    Patent number: 4094082
    Abstract: A perpetual calendar is provided having a frame defining an enclosure with a frontal portion provided with first indicia representing days of a week, and, within the enclosure, seven prisms removably mounted in said frame, and provided with second indicia located beneath said first indicia representing days of a month.
    Type: Grant
    Filed: September 30, 1976
    Date of Patent: June 13, 1978
    Inventor: Pedro Nicolas Cannarozzo