Patents by Inventor Frank Nonso Ezenekwe

Frank Nonso Ezenekwe 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).

  • Headgear system
    Patent number: 6381754
    Abstract: This invention relates to a headgear system comprising a baseball styled hat with adjustment means at the front of the crown, above the brim, in the form of straps wrapped around the crown. It also features plastic molded, baseball styled caps, visors, berets and summer hats provided with cooling elements in the form of vacuum-like pockets with sealed coolants.
    Type: Grant
    Filed: October 7, 1999
    Date of Patent: May 7, 2002
    Inventor: Frank Nonso Ezenekwe