That is true. There are no patent numbers on any document. I have another product sheet for a totally different area and they have 5 patent numbers in the footnotes.
This company has a prove Investment to Air technology and did what it did simply because of the fanciful musings of its CEO at a seminar. Now it has been exposed as nothing but fluff. Im glad I did my part in alerting the proper parties that there was a Pinkie Turkey ripe for plucking.