Patents by Inventor Alpha Carolyn Ulm

Alpha Carolyn Ulm 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: 7603723
    Abstract: A mask includes a flexible backing and an expandable membrane. The flexible backing is configured to overlay the eyes and nose of a wearer. The expandable membrane is coupled to the backing. The expandable membrane fills the non planar surfaces of the face when the backing exerts a pressure onto the membrane.
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: October 20, 2009
    Inventor: Alpha Carolyn Ulm