Patents by Inventor Francis R. Legros

Francis R. Legros 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).

  • Patent number: 4211368
    Abstract: The invention relates to devices which both aerate and chemically alter water delivered by irrigator apparatus such as shower heads. The device is attached to the shower head and includes a first mixing chamber for mixing water and air and a second mixing chamber for mixing the aerated water with a chemical.
    Type: Grant
    Filed: April 19, 1978
    Date of Patent: July 8, 1980
    Inventors: Francis R. Legros, Alain L. Tourman