Patents by Inventor Norman E. Allison

Norman E. Allison 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).

  • Sports helmet protective device
    Patent number: 5493736
    Abstract: A modified football helmet has an inner cap attached by elastic straps to the inside of the helmet shell providing a space above the cap. The helmet is further modified incorporating a rigid collar extending outwardly from the bottom of the helmet which has a lower surface positioned a distance above two upright post members extending upwardly from the rigid shoulder pads.
    Type: Grant
    Filed: February 24, 1995
    Date of Patent: February 27, 1996
    Inventor: Norman E. Allison