Thanks for the sunshine Dr., patents do work, as we have already stopped one guy from knocking off a like product, chemically patents might not be any good, as even a slight change can warrant a new design, but mechanically they do. It's like tire patterns, you can't patent a pattern anymore, there were so many of them off my an inch, they shut the door on it. Sales on an item like this are so low that nobody wants litigation, its just not worth it, especially when they are obviously infringing and will have to cover everyone's lawyer costs plus give up all the money they made in sales, who could be bothered, so I'm happy we went through the expense. I'm an engineer by trade, so except for the claims, (which is the important part) I wrote the patent, saved tons of cash, anyone reading this, that's how you keep your patent cost down, most of a patent is easy, just hire an attorney to do the claims. Plus what dealer/distributor wants to be sued for something like this cause they are selling Chinese crap, none I know of, first, they're to busy to be assholes, and we offer good margins, so why, and they have a reputation to think of, who wants to be the guy that's getting sued because they were ripping a fellow business person off importing jobs from Asia, only a dick that's looking to get sued?
And I would consider advertising here, but I've had very little feed back other than people like you telling me to buy advertising, this might not be the place to advertise, I'll share the videos we do, but if it offends people, I will gladly stop.