Patents by Inventor Paul Alan Gray

Paul Alan Gray 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).

  • Wound dressing
    Patent number: 5973221
    Abstract: A wound dressing for moist wounds is formed from a body layer (1) with a wound-contacting layer (3) attached to an inner surface and a barrier backing layer (2) attached to an outer surface. The body layer (1) is a resiliently compressible moisture-absorbent polyurethane foam film. The wound-contacting layer (3) is preferably a hydrophilic moisture permeable foam film.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 26, 1999
    Assignee: Seton Healthcare Group PLC.
    Inventors: Graham John Collyer, Paul Alan Gray