Patents by Inventor John W. Griffiths

John W. Griffiths 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).

  • Acoustic headgear-sun visor assembly
    Patent number: 4802243
    Abstract: An acoustic headgear-sun visor assembly for use by pilots, users of Walkman-type radio and tape deck assemblies, users of noise attenuation devices and the like. The assembly comprises a headpiece including a flat band support member. A split bolt having a bifurcated shank receives the flat band support member. A sun visor is mounted on the split bolt in an angularly adjustable friction fit, enabling shifting it between operative and inoperative positions.
    Type: Grant
    Filed: October 26, 1987
    Date of Patent: February 7, 1989
    Inventor: John W. Griffiths