Patents by Inventor Martin Sprekelsen

Martin Sprekelsen 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).

  • PROTECTIVE HELMET AND SUPPORT PORTION FOR SAID PROTECTIVE HELMET
    Publication number: 20140345036
    Abstract: The invention relates to a protective helmet which has an outer shell and an inner layer. The protective helmet according to the invention is characterized in that the inner layer has a plurality of pads. The protective helmet according to the invention provides a slimmer visual appearance and an improved fit.
    Type: Application
    Filed: January 13, 2013
    Publication date: November 27, 2014
    Applicant: Rockwell GmbH
    Inventors: Nicole Sargenti, Bastian Goecke, Martin Sprekelsen