Patents by Inventor Ralph Steger

Ralph Steger 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).

  • Flotation device
    Patent number: D422665
    Type: Grant
    Filed: July 28, 1999
    Date of Patent: April 11, 2000
    Assignee: Hedstrom Corporation
    Inventor: Ralph Steger