Patents by Inventor Donald V. Guziejka

Donald V. Guziejka 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: D337645
    Type: Grant
    Filed: January 18, 1991
    Date of Patent: July 27, 1993
    Inventor: Donald V. Guziejka