Patents by Inventor Craig Bruns

Craig Bruns 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).

  • Patent number: 8834160
    Abstract: A dental wedge and forming device utilizing a unitary body having a pair of wings which are intended to lie against the outer surfaces of adjacent teeth, either on the lingual or buccal region of the teeth. A curved nose is constructed to extend between the adjacent teeth and includes a flat side and an opposite radiused side. A pair of the devices are nested in opposition in order to hold a dental matrix band in place about a prepared tooth, thus allowing a dental practitioner to practice proper biomimetic restorative techniques.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: September 16, 2014
    Inventors: Marc Gottlieb, Craig Bruns
  • Patent number: 8070490
    Abstract: An apparatus for separating teeth utilizing a base member having a first end portion, a second end portion, and an intermediate portion. A first spring extends outwardly from the first end portion while a second spring extends outwardly from the second portion of the base member. A lingual shield spans the distal portions of the first and second springs extending from the base member. A pair of tines overlap one another, one tine extending from the base member, the other extending from the shield. The first and second springs urge the meeting or overlapping of the first and second tines in the vicinity of gap for meeting place between a pair of teeth.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: December 6, 2011
    Assignee: Danville Materials, Inc
    Inventors: Patrick L. Roetzer, Craig Bruns