Patents by Inventor Per Montelin

Per Montelin 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).

  • Optical sight arrangement for a firearm
    Patent number: 5577326
    Abstract: A red dot optical sight apparatus for a firearm having an optical element and a light emitting diode disposed at the focal point of the optical element, in which at least the optical element is pivotal between a lowered, inoperative position and a raised, operative position. The apparatus further includes spring biasing to assure that the optical element is in a precisely defined position when pivoted to the raised, operative position.
    Type: Grant
    Filed: April 27, 1995
    Date of Patent: November 26, 1996
    Assignee: Aimpoint AB
    Inventor: Per Montelin
  • Optical element of a parallax free sight
    Patent number: 5440387
    Abstract: A parallax free sight has an optical element, preferably arranged at one end of an elongated light channel. A concave side thereof is parabolically shaped and provided with a partially reflecting layer, in the focal point of which is arranged a light emitting means. The element is moulded in one piece of a plastic material, preferably polycarbonate, and an opposite, convex side is elliptically or hyperbolically shaped, such that any light beam hitting it from the outside continues straight through it with minimal deviation.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: August 8, 1995
    Assignee: Aimpoint AB
    Inventors: Per Montelin, Lars Stenberg