Patents by Inventor Don Porteous

Don Porteous 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 x-ray storage and retrieval system
    Patent number: 6675518
    Abstract: Storage and retrieval system for dental x-ray films having an opaque panel and a clear plastic panel, the panels are joined at three sides to form a container sized and suited for safely storing the x-ray films and facilitating their retrieval through the visibility of the films in the container. One panel has a continued extent with tacky adhesive for closing the container or for holding the container on an x-ray film mount while permitting flipping up of the container to reveal x-rays beneath the container without detaching the container from the mount.
    Type: Grant
    Filed: January 24, 2001
    Date of Patent: January 13, 2004
    Assignee: Clive Craig Co.
    Inventor: Don Porteous
  • Tooth restoration composition, structure and methods
    Patent number: 5844018
    Abstract: Method, composition and structure are provided for tooth restorations comprising a urethane polymer having a crystalline polymer phase distributed in a noncrystalline polymer phase by virtue of differential reactivity of the urethane forming reagents.
    Type: Grant
    Filed: March 25, 1992
    Date of Patent: December 1, 1998
    Inventors: Richard Jacobs, Don Porteous