Patents by Inventor Ronald Anton De Jongh

Ronald Anton De Jongh 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).

  • Virtual keyboard
    Publication number: 20040257238
    Abstract: A virtual keyboard for typing the safety password, comprising the steps of displaying a multiple key keyboard; generating and assigning a predetermined number of characters to each one of the keys, such that the user selects a key which is associated with one of the predetermined number of characters; and displaying the predetermined number of characters in relative proximity to each one of the keys.
    Type: Application
    Filed: February 24, 2004
    Publication date: December 23, 2004
    Inventor: Ronald Anton De Jongh