Guess what? The little guy won. In a quasi-unanimous decision, the US Supreme Court ruled that Lexmark exhausted its patent rights as soon as it sold printer cartridges both domestically and abroad. Lexmark’s C734dn color laser printer ($899 at this writing. My biggest complaint is with the toner-cartridge design. The photoconducting drums are arrayed on the inside of the printer’s front panel. Now, the Court has ruled again along those…