Patents by Inventor Dave Bernhardt

Dave Bernhardt 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).

  • Pipe tamper
    Patent number: D678605
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: March 19, 2013
    Inventor: Dave Bernhardt