Patents by Inventor Anders Sjöstedt

Anders Sjöstedt 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).

  • ANTI-SLIP DEVICE HAVING RETRACTABLE SPIKES
    Publication number: 20150059207
    Abstract: A device for slip-damping effect, comprising a sole unit and a spike with a resilient, circumferential fastening which allows the spike to be tilted in case of shearing motion against the ground surface, wherein the device provides grip on hard ground surfaces as a result of the sole unit, and at the same time the risk of slipping on hard, slippery ground surfaces is reduced by the spike.
    Type: Application
    Filed: April 3, 2013
    Publication date: March 5, 2015
    Inventors: Anders Karlsson, Anders Sjöstedt