Patents by Inventor Mark D. Keys

Mark D. Keys 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 bracket instrument
    Patent number: 5039302
    Abstract: An instrument for opening and closing a dental bracket where the bracket has a cover for an archwire slot. The instrument contains projections rotating about the archwire, a key fitting behind the cover and causes the cover to telescope into the bracket.
    Type: Grant
    Filed: February 1, 1990
    Date of Patent: August 13, 1991
    Assignee: Johnson & Johnson Consumer Products, Inc.
    Inventor: Mark D. Keys