Patents by Inventor Drake D. Mertes, executor

Drake D. Mertes, executor 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).

  • Target system for low velocity projectiles
    Patent number: 4744568
    Abstract: A target system which has a box like structure and includes a kinetic energy absorption sheet suspended from the top of the box diagonally downwardly to a point adjacent to the junction of the back wall of the box and the bottom. The major plane of the kinetic energy absorption sheet and the back wall of the box define an angle of 20.+-.7 degrees.
    Type: Grant
    Filed: April 14, 1986
    Date of Patent: May 17, 1988
    Inventors: Jeffery H Bernahl, Drake D. Mertes, executor