Right in the article, it says most patents are now expired and for the final key patent that expires in 2033, the owner -- SawStop's corp parent -- has offered to donate it to the public if this rule passes.
edit: if you believe different, please share. But per this article, patents do not seem to be a reason to avoid this tech. And the SawStop v1 was introduced in 2004, so it stands to reason we can now produce patent-free equivalent tech to the 2004 machine.
edit: if you believe different, please share. But per this article, patents do not seem to be a reason to avoid this tech. And the SawStop v1 was introduced in 2004, so it stands to reason we can now produce patent-free equivalent tech to the 2004 machine.