Patents by Inventor John Jessen

John Jessen 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: 20060149300
    Abstract: A vasectomy tool with a reamer operatively engaged upon a pull rod. The pull rod is extendable into a releasably locked position against spring tension and the reamer has a series of cutting disks on a shaft, the shaft having a blunt conical tip. The tool also has a handle, and the extendable pull rod and reamer are disposed within the handle. The handle has a catch release button interengageable with a spring catch release on the pull rod, and also has an integral forceps mechanism disposed on an outside of the handle.
    Type: Application
    Filed: October 22, 2005
    Publication date: July 6, 2006
    Inventors: John Jessen, Richard Berger