Patents by Inventor Don J. Kieffer, Jr.

Don J. Kieffer, Jr. 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).

  • Modular plug-in electrical wiring system
    Patent number: 6939179
    Abstract: A modular plug-in electrical wiring system that includes a pair of intermatable modular units that avoids the presence of a tangled mass of bare wires and wire nuts associated with conventional receptacle systems. A first unit is secured within a wall recess, such as between a pair of building studs, while the second unit slidable engages the first unit and may be removable secured thereto. The system is versatile as it can be used for mounting electrical appliances to a wall/ceiling.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: September 6, 2005
    Inventors: Don J. Kieffer, Jr., Walter Williams