Many. And they issued with real numbers. However the vast majority of work the work that I do is done without patents, because I know I can innovate faster than the majority of my competition and I dislike the patent system and the litigation required to defend it.
I conclude from you ignoring my question, that you did not ever build a prototype. Although I have also done countless renders, I have also designed product that reached the real world. Some of that work was copied by other companies, including exact 1:1 replication. It is the sincerest form of flattery.
+1.