Patents by Inventor Gary C. Craig

Gary C. Craig 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).

  • Process for coating plastic substrates with powder coating compositions
    Patent number: 5021297
    Abstract: A method of coating plastic substrates susceptible to gassing with a powder coating composition is disclosed. The method is effective in sealing the substrate against popping.
    Type: Grant
    Filed: December 2, 1988
    Date of Patent: June 4, 1991
    Assignee: PPG Industries, Inc.
    Inventors: Frederick F. Rhue, William D. Franks, Gary C. Craig