Patents by Inventor Paul Jason Roberg

Paul Jason Roberg 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).

  • Graduated filter
    Publication number: 20070277677
    Abstract: Embodiments of the present invention provide a filter including a membrane adapted to hold a material to be filtered and adapted to allow a filtrate to pass through. The membrane includes an indicator adapted to indicate a quantity of the material to be placed in the filter.
    Type: Application
    Filed: June 2, 2006
    Publication date: December 6, 2007
    Inventor: Paul Jason Roberg