I also just talked to the owner of the patent and NCM, Frederick R. Ferri , and he didn't confirm or deny the validity of the LOI. Said he would have to talk with his lawyer and that he would call back me after. NCM's website is no longer functional but the phone number is.
Frederick R Ferri President / Director Natures Comfort Med www.naturescomfortmeds.org 401.447.1838