Patents by Inventor David Brian Hopkins

David Brian Hopkins 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: 8196333
    Abstract: A rail mountable diopter rear sight has a housing, a drum arm pivotably connected to the housing, a sight drum rotatably engaged with the drum arm, and elevation adjustment screw connected to the drum arm and the sight drum. The sight drum rotates on a common axis with the elevation adjustment screw. The sight drum threadedly engages a threaded portion of the elevation adjustment screw.
    Type: Grant
    Filed: April 7, 2010
    Date of Patent: June 12, 2012
    Assignee: Sig Sauer, Inc.
    Inventors: David Brian Hopkins, John Wilson
  • Publication number: 20110247257
    Abstract: A rail mountable diopter rear sight has a housing, a drum arm pivotably connected to the housing, a sight drum rotatably engaged with the drum arm, and elevation adjustment screw connected to the drum arm and the sight drum. The sight drum rotates on a common axis with the elevation adjustment screw. The sight drum threadedly engages a threaded portion of the elevation adjustment screw.
    Type: Application
    Filed: April 7, 2010
    Publication date: October 13, 2011
    Inventors: David Brian Hopkins, John Wilson