psh
patent infringement = when you make money off another person's design by selling it or claiming ownership of it
DIY = when you look at someone's design, think "That's absurdly simple," and make it yourself
Don't get the two confused. One is enforceable by law, the other, not at all.

eh... he's probably long gone now.
I am curious about those who use needles with kalkwasser or lime juice or pickle juice or hot water, I had a hard time getting that to work as well. Anyone have long term success getting these little buggers dead with some sort of inject-able fluid?