Patents by Inventor Philip F. Kennedy

Philip F. Kennedy 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).

  • Helmet headphones
    Patent number: 6546264
    Abstract: A headphone system for use with an existing protective sports helmet and connection with a portable sound producing device. The headphone system is attached to the exterior surface of the sports helmet and extends from the sides of the sports helmet rearwards around the back of the sports helmet and forward to the second side of the sports helmet. The headphone system is removably attachable to the sports helmet.
    Type: Grant
    Filed: October 4, 1999
    Date of Patent: April 8, 2003
    Inventor: Philip F. Kennedy