Patents by Inventor William J. Seyfert

William J. Seyfert 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).

  • Adjustable combat vehicle armor
    Patent number: 4398446
    Abstract: Add-on armor for military vehicles to prevent premature vehicle obsolesce e to enemy threats arising after the date of vehicle manufacture. The vehicle is designed to accept detachable armor components or systems, thereby permitting armor replacement to meet new enemy threats.
    Type: Grant
    Filed: July 14, 1980
    Date of Patent: August 16, 1983
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Victor H. Pagano, William J. Seyfert