Patents by Inventor Barrier F. Regan

Barrier F. Regan 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).

  • Denture cleaning concentrate
    Patent number: 4016089
    Abstract: A denture cleaning concentrate containing orthophosphoric acid, nonionic detergent, a quaternary ammonium germicide and an indicator which undergoes a color change in the pH range 4 to 4.6 is described.
    Type: Grant
    Filed: November 11, 1974
    Date of Patent: April 5, 1977
    Inventors: Glen B. Regan, Barrier F. Regan