Patents by Inventor Raymond J. Johansen

Raymond J. Johansen 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).

  • Wearer-removable dental implant attachment
    Patent number: 5234341
    Abstract: An improved dental implant prosthesis attachment comprising an attachment having hollow receptacles embedded within the prosthesis and formed with openings for receiving the heads of the mounting posts, and slide members which are removably insertable into the receptacles, by the wearer, to fixedly retain the heads of the posts within the receptacles and which are removable by the wearer to permit cleaning of the prosthesis and subjacent gum area.
    Type: Grant
    Filed: August 17, 1992
    Date of Patent: August 10, 1993
    Inventor: Raymond J. Johansen