Apprenante, if you can't find what you are looking for on the US Govt sites, I suggest that you contact Herb Southern, the lawyer for HLNT, and he can answer your questions for you. Being a novice in the Trademark and Patent sites for the U.S. will often times lead investors who are trying to perform due diligence down the wrong path. If you are truely interested, Mr. Southern will be happy to help you, provided you are qualified stock holder.