I met the inventor of blow up tanks, and large portable tank props(decoys).
He was a very elderly French man
When he would dine out, he would stop by and give my dog his left over steak,. My dog Happy loved him :o)
The government has land mind patents, that disintegrate after a period time.
NOPE government was not interested.
When your government bans a "firm tooth brush" You know something is UP with them.