Patents by Inventor Harold Markus

Harold Markus 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).

  • Active armor
    Patent number: 4194431
    Abstract: A liquid reactant comprising an amalgam of sodium, potassium or lithium w a small amount of water in a thin layer is provided over or in steel and like armor plate as a protection. It operates to effect embrittlement of the forward portions of projectiles which strike the armor through the layer, and thus to reduce penetration.
    Type: Grant
    Filed: July 5, 1966
    Date of Patent: March 25, 1980
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Harold Markus, Joseph M. McCaughey