Patents by Inventor Amram Levi

Amram Levi 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).

  • Multi-annual calendar
    Patent number: 5003713
    Abstract: Apparatus for selectably displaying one of a plurality of predetermined combinations of first and second sets of symbols taken from respective first and second groups comprising first selectable display apparatus on which there is provided the first group of symbols; second selectable display apparatus on which there is provided the second group of symbols; and cover apparatus for the first and second selectable display apparatus defining first and second display locations for the respective first and second sets of symbols, the first and second display apparatus and the first and second locations being arranged such that any of the predetermined combinations may be selectably displayed at the first and second locations by operation of the first and second selectable display apparatus.
    Type: Grant
    Filed: August 28, 1989
    Date of Patent: April 2, 1991
    Inventors: Shalom Adany, Amram Levi