Patents by Inventor David A. Beisner

David A. Beisner 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).

  • Attitude orientation device for scope carrying firearms
    Patent number: 5315781
    Abstract: A firearm having an attitude indicator, a stock, a barrel having a shooting axis, and a scope positioned above the barrel and having a sighting axis, the common plane in which the shooting axis and the sighting axis lie constituting the firearm plane, and wherein, for proper sighting, the firearm plane must be substantially vertically oriented, the attitude indicator having a level with a horizontal functional plane, a support for the indicator, and an attachment mechanism for mounting the support on the firearm with the functional plane of the indicator oriented substantially normal to the firearm plane and with the indicator lying within the binocular field incident to the sighting axis of the scope.
    Type: Grant
    Filed: May 5, 1992
    Date of Patent: May 31, 1994
    Inventor: David A. Beisner