Patents by Inventor Maria E. Bettison

Maria E. Bettison 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).

  • Child-resistant aerosol spray valve
    Publication number: 20010030204
    Abstract: A valve for an aerosol spray can comprises a valve body and a valve stem. Alignment apparatus comprising a post member and a cutout is associated with the valve body and valve stem whereby axial alignment of the post member and the cutout allows relative axial motion between the valve body and the valve stem. Any other axial alignment of the post member and the cutout prevents axial movement of the valve stem relative to the valve body.
    Type: Application
    Filed: December 8, 2000
    Publication date: October 18, 2001
    Inventors: William L. Bettison, Maria E. Bettison