Patents by Inventor Anders Bachmann

Anders Bachmann 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: 6826857
    Abstract: A perpetual calendar for displaying a monthly calendar by aligning the desired monthly indicia with an appropriate yearly indicia. The calendar is based on a repeating five element pattern representing a four year repeating pattern, which, however, is modified for non-leap year centuries.
    Type: Grant
    Filed: November 14, 2002
    Date of Patent: December 7, 2004
    Inventor: Anders Bachmann