Patents by Inventor Robert D. Mathson

Robert D. Mathson 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: 20030076677
    Abstract: A light fixture including a lamp and a replaceable light cartridge that is removably interconnected to the lamp. The lamp includes a base, an arm extending outwardly from the base, and a lamp housing coupled to the arm at the end of the arm opposite the base. The replaceable cartridge is connected to the lamp housing, and comprises a bulb and a bulb housing. The bulb is a fluorescent tube that is the light source for the light fixture. A ballast that is separate and independent from the bulb, and steps up the low voltage from a power source to the high voltage current required by the bulb. The ballast is disposed within the base and is interconnected to the replaceable cartridge with a quick disconnect plug. The separate ballast and bulb allow the bulb to be replaced independently of the ballast.
    Type: Application
    Filed: October 21, 2002
    Publication date: April 24, 2003
    Inventors: Ferenc Mohacsi, Robert D. Mathson, Harry M. Pyne