Quinn shot over from a tight angle following a neat, flowing move and Fitzpatrick narrowly missed the target from 20 yards after pouncing on a loose pass before David Clarkson made the pressurecount on the 43 minutes.
France lost key midfielder Patrick Vieira to a hamstring strain midway through the second half but maintained the pressure amid the tiredness as the error count rose.
The penalty count against Bristol increased as the Scarlets pressure grew and eventually referee Tim Hayes lost his patience and Maori centre Neil Brew was the unlucky man to be sent to the bin.
The XOS 2 is nearly usable for the latter job, but even at 50 percent more efficient than the original (by the company's last count) it's still a prototype that requires a tethered high-pressure hydraulic engine to function.