Patents by Inventor Douglas V. Andrews

Douglas V. Andrews 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).

  • Subperiosteal impant with detachable bar and method for its implanting
    Patent number: 4741698
    Abstract: Disclosed is an improved dental implant for a denture which comprises a frame which is attachable to the mandibular or maxillary bone, said frame bearing bar retention means; a detachable bar having complementary bar retention means for removably attaching said detachable bar to said frame; and denture bearing denture bar retention for attaching said denture to said detachable bar.
    Type: Grant
    Filed: April 8, 1986
    Date of Patent: May 3, 1988
    Assignee: Andrews Ceramic Laboratory, Inc.
    Inventor: Douglas V. Andrews