The purpose of this guide is to provide you with basic information about filing a utility patent application with the USPTO. Foraminal stenosis is a condition that happens when narrowing in parts of your spine causes compression of your spinal nerves." A January 2000 repeat angiogram found severe two-vessel disease involving a major diagonal in the RCA. The ductus arteriosus is a hole that allows the blood to skip the circulation to the lungs. Manner in which optometrist who is certified to administer and prescribe therapeutic pharmaceutical agents may represent himself or herself to public. The foramen ovale is a hole in the wall between the left and right atria of every human fetus. This hole allows blood to bypass the fetal lungs. Must be licensed and in good standing to practice optometry in the State of Nevada. Portal hypertension is high blood pressure in the portal vein that runs through your liver. Use these resources to learn more about the nature of patents, where to find them, and how you can get patent related legal advice.