Patents by Inventor Callum Youngson

Callum Youngson 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).

  • Dental attachment quality testing device
    Patent number: 8979532
    Abstract: The invention relates to a method and apparatus for testing attachment quality of a dental crown attached to a tooth and/or implant. The method comprises the steps of: detecting at least one resonance frequency of a member when it is in contact with said crown or a part attached to the crown; and interpreting the detected resonance frequency in terms of the degree of attachment of the crown to a tooth.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: March 17, 2015
    Assignee: Osstell AB
    Inventors: Anders Petersson, Callum Youngson
  • Dental Attachment Quality Testing Device
    Publication number: 20110200965
    Abstract: The invention relates to a method and apparatus for testing attachment quality of a dental crown attached to a tooth and/or implant. The method comprises the steps of: detecting at least one resonance frequency of a member when it is in contact with said crown or a part attached to the crown; and interpreting the detected resonance frequency in terms of the degree of attachment of the crown to a tooth.
    Type: Application
    Filed: December 29, 2010
    Publication date: August 18, 2011
    Inventors: Anders Petersson, Callum Youngson