Patents by Inventor Walter E. Leyland

Walter E. Leyland 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).

  • Lightweight portable EMI shielding container
    Patent number: 5136119
    Abstract: The invention relates to a Faraday cage for use with relatively unshielded lectrical instruments to allow the instruments to be used in an environment of high electromagnetic interference. The cage is constructed of lightweight plastic material and is designed to be portable. It is a rigid cage when unfolded for use, yet is capable of being folded into a compact one-piece, substantially flat, stowable package, which can be erected for use with a minimum of effort.
    Type: Grant
    Filed: September 18, 1991
    Date of Patent: August 4, 1992
    Assignee: The United States of America as Represented by the Secretaty of the Navy
    Inventor: Walter E. Leyland