Patents by Inventor Donald Joseph Schaeffer

Donald Joseph Schaeffer 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).

  • Publication number: 20030062990
    Abstract: A system whereby existing powerlines are utilized as a data transport medium whereby computer network data, audio data, video data, control signals, native communication signals, and any combinations thereof are transported via powerlines, wherein powerline access portals are provided at any electrical power outlets to thereby enable data to be transmitted onto and received from standard powerlines, and wherein filters can be installed at power boxes to ensure that data is not transported to any powerlines that are not considered part of a data network.
    Type: Application
    Filed: August 27, 2002
    Publication date: April 3, 2003
    Inventors: Donald Joseph Schaeffer, James Russell, Haroon I. Yunus