you are kidding me, that is excellent Charles ! At 04:19 p.m. 17/01/2012, Charles Manning wrote: >On Tuesday 17 January 2012 08:57:18 Mark Atherton wrote: > > http://www.appliedautonomy.com/sw.html > > > > cool huh > >I patented that in 2000. > >http://www.freepatentsonline.com/6299934.html > >I wonder whether Trimble is getting any royalties?