Patents by Inventor Betty A. Willis

Betty A. Willis 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).

  • Protective headgear
    Patent number: 4324005
    Abstract: A collapsible headpiece is worn to provide protection from impacts to the head during an emergency situation. Multiple inflatable flaps, mounted on a skullcap, are connected with a gas supply apparatus mounted on the headpiece.
    Type: Grant
    Filed: January 18, 1980
    Date of Patent: April 13, 1982
    Assignee: Charles S. Willis
    Inventor: Betty A. Willis