Patents by Inventor Paul D. Opperman

Paul D. Opperman 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).

  • Method of converting an electromagnetic anechoic test chamber to an electromagnetic reverberation test chamber
    Patent number: 8854246
    Abstract: The invention is a method of converting an electromagnetic anechoic test chamber into an electromagnetic reverberation test chamber. Lightweight and flexible conductive fabric is used to cover (fully or partially) the radio frequency absorbing walls of an anechoic test chamber. The conductive fabric is strategically arranged and disposed across the interior of the anechoic test chamber by a variety of means including magnets and low-loss dielectric frames.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: October 7, 2014
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Paul D. Opperman