Patents by Inventor Alexander J. R. Cormack

Alexander J. R. Cormack 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).

  • Patent number: 4779370
    Abstract: A firearm having a receiver and a changeable barrel releasably connected to the receiver. A sight mounting member integrally connected to the barrel forward of the receiver extends for some distance in a rearward direction above the receiver and carries a telescopic sight. The barrel, sight mounting member and telescopic sight are removable from and assembled with the receiver as a unit. The sight mounting member also carries an adjustable open rear sight which cooperates with a front sight mounted in fixed position at the forward end of the barrel.
    Type: Grant
    Filed: August 26, 1987
    Date of Patent: October 25, 1988
    Assignee: O.F. Mossberg & Sons, Inc.
    Inventor: Alexander J. R. Cormack