"... prohibited from designing..." isn't going to past 1st amendment muster. You can design and publish designs to your heart's content. Manufacturing is often

"... prohibited from designing..." isn't going to past 1st amendment muster. You can design and publish designs to your heart's content. Manufacturing is often performed outside of the state of WA. Bans on imports, not sure. This bill is going to have a rough time if it reaches court.