Patents by Inventor Ruth M. Owades

Ruth M. Owades 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).

  • Device for treating drinking water to make it hostile to dental plaque
    Patent number: 6610275
    Abstract: A device for treating potable water contains a mixed buffer of a cation exchange resin in the hydrogen ion form and an anion exchange resin, a chelating agent and a sparingly soluble calcium salt, all contained in a porous, flow-through bag.
    Type: Grant
    Filed: February 13, 2002
    Date of Patent: August 26, 2003
    Inventors: Joseph L. Owades, Ruth M. Owades
  • DEVICE FOR TREATING DRINKING WATER TO MAKE IT HOSTILE TO DENTAL PLAQUE
    Publication number: 20030152529
    Abstract: A device for treating potable water contains a mixed buffer of a cation exchange resin in the hydrogen ion form and an anion exchange resin, a chelating agent and a sparingly soluble calcium salt, all contained in a porous, flow-through bag.
    Type: Application
    Filed: February 13, 2002
    Publication date: August 14, 2003
    Inventors: Joseph L. Owades, Ruth M. Owades