Patents by Inventor G. Michael Fravala

G. Michael Fravala 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).

  • Two-stage aerator
    Patent number: 5348231
    Abstract: A two-stage aerator manually operable to provide either a low-volume spray or a high-volume stream. A valve poppet maintains the aerator in the selected position so long as water is flowing through the aerator. The low-volume spray position is the default, and the aerator includes a resilient diaphragm to return the aerator to this position whenever water flow is terminated.
    Type: Grant
    Filed: October 5, 1993
    Date of Patent: September 20, 1994
    Inventors: Don C. Arnold, G. Michael Fravala