Patents by Inventor William N. Wishard

William N. Wishard 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).

  • Composite tungsten-steel armor penetrators
    Patent number: 4961383
    Abstract: An armor penetrating projectile having a matrix of iron or a steel alloy ch has a Rockwell C hardness of from about 40 to about 60 and a density of from about 99.5 to 100 percent, the matrix being reinforced with wires of a heavy metal such as tungsten, molybdenum, tantalum, or alloys of these metals.
    Type: Grant
    Filed: June 26, 1981
    Date of Patent: October 9, 1990
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Steven G. Fishman, Alexander G. Rozner, Raymond C. Wiley, William N. Wishard
  • Non-explosive shaped-charge follow-through projectile
    Patent number: 3948180
    Abstract: A penetrating member for a projectile comprising a cylindrical mass body e from a high-density material and formed with a hardened front end in the form of a concavely curved scoop with an outstanding spike in its center. One end of a tubular liner abuts the scoop, the liner being made of an easily deformable, material. When the liner hits a target, the liner is forced back along the curve of the scoop and out the center of its tubular form as a high-velocity, target-penetrating jet of material.
    Type: Grant
    Filed: March 17, 1975
    Date of Patent: April 6, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Denis A. Silvia, William N. Wishard, James R. Burns