Actually, the sad thing is, they DON'T have to change the boards AT ALL...
They just have to change the software programmed into the chip's FLASH...
"...I question the contributions of some of the named inventors, specifically Billy Gardner and Adam Gardner..."
"...the evidence strongly suggests that neither Billy nor Adam could have invented what is claimed."
"As with the lack of any documentation of the Gardnrs' work, Billy and Adam Gardner's testimony regarding thier own contributions does not suggest the work of inventors."
U.S. District Judge Garr M. King, Re: Smart Parts' patent on electronic paintball markers