A wakeboat has a hull, the hull forming a wake when moving forward in the water, with a port disturbance and a starboard disturbance in the wake. The target segment was required to be able to accommodate a balloon of ≥3.0-mm diameter and to be suitable for stent placement.This tutorial will focus on patents and the process for securing a patent in the U.S. First, let's consider why we have a patent system? A stepbystep overview of a patent application and maintenance process. The five stages of a patent process.