Patents by Inventor Dennis Karkoska

Dennis Karkoska 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: D360775
    Type: Grant
    Filed: March 14, 1994
    Date of Patent: August 1, 1995
    Inventors: Carol W. Karkoska, Dennis Karkoska