Patents by Inventor Gregory K. Pranski

Gregory K. Pranski 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).

  • Rack for disposable trash bag
    Patent number: D325798
    Type: Grant
    Filed: July 31, 1990
    Date of Patent: April 28, 1992
    Inventors: David Montrose, Gregory K. Pranski