Patents by Inventor Daniel A. Nagem

Daniel A. Nagem 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).

  • Multi-phase HVAC filtration system
    Publication number: 20040159239
    Abstract: According to the present invention, the multi-phase HVAC filtration system provides a unitary device which performs basic filtration, odor-elimination, high-efficiency filtration and adds fragrance to the climate-controlled area.
    Type: Application
    Filed: February 14, 2003
    Publication date: August 19, 2004
    Inventor: Daniel A. Nagem