This is a great "revolutionary" devise that he believes would have been a disruptive technology in this particular industry, I totally agree. Indeed, I made a decision to assist in creating a business plan. Thus, My goal is to use the data we discussed in emails and make contact with calls, and review it and make use of that material in the business plan, where they fit.
Since all of this is preliminary, there's nothing guaranteed, it makes sense to keep all of the notes, and from look at others in the market. Additionally, it is practical to make use of "discreet manufacturing" tips for the initial prototypes, and employ an LLC name seems as if you are doing something different is sensible; in this instance, perhaps, an LLC that implies something totally un-related.
This way when you're getting a store somewhere, who'll know what the hell you do before you roll-up the entranceway one day to exhibit the world; remember; "Loose lips sink ships!" The thing is, creating a new invention means you must keep your information close to the vest as you design, build, and obtain your patent are employed in order. In the event you be discreet rather than allow your enthusiasm to help you make go and tell everyone what you are doing, you will be much better off in the long run. Please consider this all.