Patents by Inventor John Frederick Richards

John Frederick Richards 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).

  • Apparatus and method for shielding a circuit from electromagnetic interference
    Patent number: 6709291
    Abstract: A housing (10) for shielding a circuit (12) from electromagnetic interference comprises a shielding component (20) having at least one aperture (40). A plastic material (50) is molded over the shielding component (20). A portion (54) of the plastic material (50) is received within the aperture (40) for securing the plastic material to the shielding component (20). A method of making a housing (10) for shielding a circuit (12) from electromagnetic interference includes the steps of providing a shielding component (20) having an aperture (40); molding a plastic material (50) over the shielding component; and securing the plastic material to the shielding component by receiving a first portion (54) of the plastic material into the aperture in the shielding component.
    Type: Grant
    Filed: June 22, 2000
    Date of Patent: March 23, 2004
    Assignee: TRW Inc.
    Inventors: David Lee Wallace, John Frederick Richards