Patents by Inventor Roy A. Grant

Roy A. Grant 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).

  • Implant tissue
    Patent number: 5397353
    Abstract: A collagenous tissue preparation suitable for homotransplantation or heterotransplantion. The preparation is a non-resorbable, non-antigenic collagenous material which retains the natural structure and original architecture of the natural tissue. The material is substantially free of non-fibrous tissue proteins, glycoproteins, cellular elements and lipids. The tissue preparation is recolonized by host cells and revascularized after implantation into the host.
    Type: Grant
    Filed: January 3, 1991
    Date of Patent: March 14, 1995
    Inventors: Roy F. Oliver, Roy A. Grant
  • Fibrous tissue dressing or implant
    Patent number: 4399123
    Abstract: A fibrous tissue preparation suitable for homo or heterotransplantation is obtained by treating mammalian fibrous tissue with a proteolytic enzyme followed, if desired, by further treatment with a carbohydrate splitting enzyme.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: August 16, 1983
    Inventors: Roy F. Oliver, Roy A. Grant