Patents by Inventor Gregory D. Schwerman

Gregory D. Schwerman 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).

  • Rotatable and retractable rear gun sight
    Patent number: 7726229
    Abstract: A rotatable and retractable rear gun sight is disclosed. The rear gun sight is coupled to a body of a gun. Three different apertures are provided for rear sight viewing of targets of three different distances. The apertures can be rotated out of view or into use depending on the estimated target distance. The rear gun sight can also be flipped down.
    Type: Grant
    Filed: May 30, 2007
    Date of Patent: June 1, 2010
    Assignee: Crane Tactical LLC
    Inventors: Gregory D Schwerman, Ronald W Albanese
  • Rotatable and retractable rear gun sight
    Publication number: 20090188147
    Abstract: A rotatable and retractable rear gun sight is disclosed. The rear gun sight is coupled to a body of a gun. Three different apertures are provided for rear sight viewing of targets of three different distances. The apertures can be rotated out of view or into use depending on the estimated target distance. The rear gun sight can also be flipped down.
    Type: Application
    Filed: May 30, 2007
    Publication date: July 30, 2009
    Inventors: Gregory D. Schwerman, Ronald W. Albanese
  • Gun sight aperture
    Patent number: D546916
    Type: Grant
    Filed: October 19, 2006
    Date of Patent: July 17, 2007
    Inventors: Gregory D. Schwerman, Ronald W. Albanese