Patents by Inventor Roy J. Petska

Roy J. Petska 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).

  • Patent number: D364525
    Type: Grant
    Filed: August 25, 1994
    Date of Patent: November 28, 1995
    Inventor: Roy J. Petska