Patents by Inventor Donald K. Gray

Donald K. 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).

  • Arch support insoles
    Patent number: D462510
    Type: Grant
    Filed: June 12, 2001
    Date of Patent: September 10, 2002
    Assignee: Schering-Plough HealthCare Products, Inc.
    Inventors: Kellie M. Goodrich, Donald K. Gray, Harold A. Howlett, W. Scott Rogers, J. Glen VanCleave