I second Dutch, because he updated the Website today!! I challenge you to find his new pages without telling anyone! its worth the effort, I assure you.
Actually the wedge is the first human machine, because it actually predates humans! pre-humans(hominids)used primitive “arrow head” like stone knifes for defense and as a tool. Also, I’d being willing to help if need be, and I do recomend finding a lawyer if you want to patent your ideas/keep them safe.