Patents by Inventor Felix Pfirrmann

Felix Pfirrmann 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).

  • WORK SHOE
    Publication number: 20220151329
    Abstract: A work shoe, in particular for use in leveling work and/or filling work and/or for aerating a lawn, is designed such that a wearer's foot can be introduced into the shoe via an opening and the work shoe is provided with downwardly projecting spacer elements.
    Type: Application
    Filed: January 30, 2020
    Publication date: May 19, 2022
    Inventors: Felix Pfirrmann, Wilhelm Frank