Patents by Inventor Walter Colwell

Walter Colwell 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).

  • Three component protective head gear powered by a rechargeable battery
    Publication number: 20060202629
    Abstract: A three-component, protective headgear or helmet, and circuits therefor is provided with a battery-powered LED head lamp, which may be used by construction workers, search and rescue persons, cyclists, police, fireman, and the like. The battery may be replaceable or rechargeable and has long-term, uniform output characteristics driven by unique circuitry.
    Type: Application
    Filed: May 5, 2006
    Publication date: September 14, 2006
    Inventor: Walter Colwell
  • Three-component protective head gear powered by a rechargeable battery
    Publication number: 20050116664
    Abstract: A three-component, protective headgear or helmet is provided with a battery-powered LED head lamp, which may be used by construction workers, search and rescue persons, cyclists, police, fireman, and the like. The battery may be replaceable or rechargeable and has long-term, uniform output characteristics driven by unique circuitry.
    Type: Application
    Filed: December 2, 2003
    Publication date: June 2, 2005
    Inventor: Walter Colwell