Patents by Inventor Willibald Schnitzler

Willibald Schnitzler 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: 4538303
    Abstract: A protective helmet, e.g. a motorcycle helmet has a chinpiece below its visor which defines an air passage with a member behind this chinpiece, permitting air to flow from an opening in this chinpiece uniformly over the interior of a visor to prevent fogging thereof by moisture.
    Type: Grant
    Filed: July 29, 1983
    Date of Patent: September 3, 1985
    Assignee: Romer GmbH
    Inventor: Willibald Schnitzler