Patents by Inventor Daniel A. Holzhauer

Daniel A. Holzhauer 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).

  • Orthodontic ligature and method of use
    Patent number: 6746243
    Abstract: A generally elastic orthodontic ligature in the shape of an O-ring is provided with a semi-rigid retaining arm for the general purpose of attaching a rubber band between teeth. The retaining arm is integral with the O-ring although the two may be made of different materials. The O-ring may have projections therein for preventing rotation of the ligature during use, and the projections may include unidirectional barbs. Further, variations in the angle or shape of the arm may be provided as desired.
    Type: Grant
    Filed: May 31, 2003
    Date of Patent: June 8, 2004
    Inventor: Daniel A. Holzhauer