Patents by Inventor David E. Muhlfeld

David E. Muhlfeld 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).

  • Moisture-resistant enclosure for electronic circuitry
    Patent number: 6697258
    Abstract: An enclosure for electronic circuitry includes a container that is formed to define an enclosed volume. An open end of the container is sealed by a printed circuit board which also provides electrical connection to the enclosed electronic circuitry by means of connectors mounted to its inside and outside surface.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: February 24, 2004
    Assignee: The Raymond Corporation
    Inventors: David E. Muhlfeld, Augustus R. Baldini