Patents by Inventor Quinton A. Schaefer

Quinton A. Schaefer 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).

  • Patent number: 4791941
    Abstract: An athletic mouth guard useful in contact sports for protecting an athlete's teeth comprising a U-shaped double trough mouth piece secured to a connecting strap adapted to be attached to the face guard on a helmet. The distal end of the connecting strap contains an oblong opening whereby a looped connection can be made with a bar on the face guard by passing the mouth piece through the oblong opening and pulling the loop into tight engagement with the bar on the face guard.
    Type: Grant
    Filed: June 12, 1987
    Date of Patent: December 20, 1988
    Assignee: Gator Corporation
    Inventor: Quinton A. Schaefer