Patents Assigned to Quexta, Inc
  • Adjustable focus eyeglasses
    Patent number: 7325922
    Abstract: Adjustable focus eyeglasses with two lens units, each lens unit having two lens elements. The eyeglasses are focused by adjusting the position of at least one of the two lens elements relative to the other in a direction generally perpendicular to a viewing direction. The relative motion can be linear or pivotal about a pivot location outside the lenses.
    Type: Grant
    Filed: November 29, 2006
    Date of Patent: February 5, 2008
    Assignee: Quexta, Inc
    Inventor: Brett Spivey