Patents by Inventor Mike J. Lothspeich

Mike J. Lothspeich 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).

  • Patent number: 7391324
    Abstract: A locator plug system for efficiently locating utility services that utilize a plug. The locator plug system includes a plug for a utility service and an electronic marker attached to the plug. The electronic marker may be attached to the plug or formed integrally within the plug.
    Type: Grant
    Filed: November 14, 2005
    Date of Patent: June 24, 2008
    Assignee: GPK Products, Inc.
    Inventors: Tim A. Pflugrath, Mike J. Lothspeich