Patents by Inventor Frederick Ralph Guy

Frederick Ralph Guy 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).

  • Dental device material preparation
    Patent number: 9877813
    Abstract: A method of preparing organic and natural material for making teeth and typical dental devices or appliances having sufficiently hard and durable chewing surfaces, obtained from sustainable resources.
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: January 30, 2018
    Inventor: Frederick Ralph Guy