Patents by Inventor Jonathan Tollerud

Jonathan Tollerud 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).

  • FLEXIBLE BICYCLE CRANK
    Publication number: 20120304810
    Abstract: Spindles and cranks for bicycles are disclosed herein. An embodiment of a spindle comprises a first spindle portion comprising a first end and a second end. The first end is substantially opposite the second end, wherein a first bicycle crank arm is attachable to the first end. A second spindle portion comprises a first end and a second end. The first end is substantially opposite the second end, wherein a second bicycle crank arm is attachable to the first end. A spring device is connected between the first spindle portion and the second spindle portion. The first spindle portion second end is located proximate the second spindle portion second end.
    Type: Application
    Filed: December 2, 2011
    Publication date: December 6, 2012
    Inventors: Christopher Butterfield, Spencer Curtis, Jonathan Tollerud