Patents Assigned to Markzmen Optics
  • Auxiliary lens attachment
    Patent number: 5299067
    Abstract: An auxiliary lens attachment, installed a prescription or colored enhancement lens, is mounted onto an end of a rifle scope. The auxiliary lens attachment includes an adaptor having a lens receiving portion at a first end, a lens securing portion in a middle and a rifle scope mounting portion at a second end. A distance adjusting member is positioned on the securing portion of the adaptor to adjust the distance between the securing portion and the mounting portion.
    Type: Grant
    Filed: December 15, 1992
    Date of Patent: March 29, 1994
    Assignee: Markzmen Optics
    Inventors: John R. Kutz, Mark W. Baumgartner