Patents by Inventor John Hackbarth

John Hackbarth 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).

  • Methods, apparatus, and products for making dental impressions, and products made therefrom
    Publication number: 20060172253
    Abstract: A method and impression tools for making a dental impression, with the method including first applying a spacer material to a preliminary impression material to form a preliminary impression tool, and then contacting the tool against the dental surface to form a preliminary dental impression in the preliminary impression material. The method further includes separating the tool from the dental surface, and then removing the spacer material from the tool to reveal the preliminary dental impression. The method then includes applying a final impression material to the preliminary impression to form a final impression tool, which is then contacted against the dental surface to form a final impression of the tooth surface in the final impression material.
    Type: Application
    Filed: January 31, 2005
    Publication date: August 3, 2006
    Inventors: Willis Pumphrey, John Hackbarth