Patents by Inventor Duong Ba Lam

Duong Ba Lam 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).

  • Electronic ballast
    Publication number: 20020113559
    Abstract: A ballast to control one or more fluorescent lamps by monitoring voltage and regulating current to adjust voltage being supplied to the lamps. The ballast maintains constant power to the lamps and also detects and adjusts for arcing conditions and internally accommodates wiring for one or more lamps.
    Type: Application
    Filed: January 28, 2002
    Publication date: August 22, 2002
    Inventor: Duong Ba Lam