Patents by Inventor David M. Rohn

David M. Rohn 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).

  • Drain pipe discharge connector
    Patent number: D749702
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: February 16, 2016
    Inventors: David M. Rohn, David T. Woods