Patents by Inventor Stefan Edgren

Stefan Edgren 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).

  • Temporary cylinder
    Patent number: 5259759
    Abstract: The invention relates to a cylinder 1 designed to be inserted in a temporary, implant-supported dental bridge/dental prosthesis,, a so-called temporary cylinder, and which comprises an upper part 2 which is surrounded by the dental bridge/dental prosthesis and a base section 4 for connection to the spacer element 6 of the implant. The cylinder is made of a polymer material and the upper part 2 has a conical outer contour.
    Type: Grant
    Filed: March 27, 1992
    Date of Patent: November 9, 1993
    Assignee: Nobelpharma AB
    Inventors: Lars Jorneus, Stefan Edgren, Thomas Svensson