Patents by Inventor Len Gregory Kronfeld

Len Gregory Kronfeld 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).

  • Publication number: 20040077440
    Abstract: In the preferred embodiment original built in dampeners are created by cutting slits in the bow limbs and creating areas that will flex in the opposite direction of the limbs during and after the release of the arrow. This counter balancing motion will cancel vibration of the limb and bring the limb to a much faster stop.
    Type: Application
    Filed: October 18, 2002
    Publication date: April 22, 2004
    Applicant: Len Gregory Kronfeld
    Inventor: Len Gregory Kronfeld