Patents by Inventor Melvin Hahn

Melvin Hahn 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).

  • Waste treatment composition and method
    Publication number: 20040011735
    Abstract: A composition and method for treatment of waste water having beneficial bacteria added thereto, which bacteria are used to break down and consume plant biological materials are disclosed where the composition comprises at least one of the following: urea ammonium nitrate, ammonium polyphosphate, and urea liquor.
    Type: Application
    Filed: April 10, 2003
    Publication date: January 22, 2004
    Inventor: Melvin Hahn