Patents by Inventor Jurgen Speckmann

Jurgen Speckmann 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 appliance with improved connecting element
    Patent number: 5209660
    Abstract: A dental appliance or prosthesis has its removable member connected to its fixed member by a clamping rib which is engaged in a groove and can have longitudinal wall portions separated from a base by respective slits, bulged outwardly by a cap screw whose shank is threadedly engageable in the base of the rib and whose head bears against conical recesses along inner surfaces of the longitudinal wall portions of the rib.
    Type: Grant
    Filed: March 6, 1992
    Date of Patent: May 11, 1993
    Assignee: Si-tec GmbH Dental-Spezial-Artikel
    Inventor: Jurgen Speckmann