Patents by Inventor Douglas K. Riebl

Douglas K. Riebl 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).

  • Patent number: 6494715
    Abstract: A dental applicator for applying amalgam or other filling material to a tooth is provided, in which a plunger is arranged to reciprocate into and out of a barrel to thereby eject and administer the amalgam or filling material. The barrel and/or plunger are fabricated from plastic and/or metal or metallic material provided with a coating, to inhibit or totally prevent amalgam residue from solidifying and adhering to the barrel or plunger.
    Type: Grant
    Filed: July 11, 2000
    Date of Patent: December 17, 2002
    Assignee: Arnel, Inc.
    Inventors: Ronald K. Riebl, Douglas K. Riebl, Gary K. Riebl
  • Patent number: 5947728
    Abstract: A dental applicator for applying amalgam or other filling material to a tooth is provided, in which a plunger is arranged to reciprocate into and out of a barrel to thereby eject and administer the amalgam or filling material. The barrel and/or plunger are fabricated from plastic and/or metal or metallic material provided with a coating, to inhibit or totally prevent amalgam residue from solidifying and adhering to the barrel or plunger.
    Type: Grant
    Filed: April 30, 1998
    Date of Patent: September 7, 1999
    Assignee: Arnel, Inc.
    Inventors: Ronald K. Riebl, Douglas K. Riebl, Gary K. Riebl