Patents by Inventor Guenter Treffert

Guenter Treffert 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).

  • Vent cap
    Patent number: D749198
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: February 9, 2016
    Assignee: W. L. Gores & Associates GmbH
    Inventors: Henning von Lepel, Benjamin Drieske, Guenter Treffert, Mike Seybel