PPG was using the Pilkington process but their patents expired. We use our own processes,now. FWIW,I work at PPG's Works #4,the largest flat glass facility in the world. Clint Hooper H&H Custom,owner 1969 El Camino ProTourer http://dalesplace.com/misc/friends/clint/clint_hooper.htm 2001 H-D FLHR custom bagger ----- Original Message ----- From: "Brian Knight" <[EMAIL PROTECTED]>
> I thought PPG was Pittsburgh Plate Glass, or am I mistaken? > > Brian

