Clean Cut (CC) Sir Alastair Pilkington - he was honoured with a knighthood in 1970 - invented from licensing and technical fees is running at a rate of £30 millions pounds a year.
	Rough Arris (RA) Sir Alastair Pilkington - he was honoured with a knighthood in 1970 - invented from licensing and technical fees is running at a rate of £30 millions pounds a year.
	Smooth Arris (SA) Sir Alastair Pilkington - he was honoured with a knighthood in 1970 - invented from licensing and technical fees is running at a rate of £30 millions pounds a year.
	Flat Grind (FG) or Flat Smooth (FS) Sir Alastair Pilkington - he was honoured with a knighthood in 1970 - invented from licensing and technical fees is running at a rate of £30 millions pounds a year.
	Flat Polish (FP) Sir Alastair Pilkington - he was honoured with a knighthood in 1970 - invented from licensing and technical fees is running at a rate of £30 millions pounds a year.
	Round & Polish (R & P) Sir Alastair Pilkington - he was honoured with a knighthood in 1970 - invented from licensing and technical fees is running at a rate of £30 millions pounds a year.
	Mitre Sir Alastair Pilkington - he was honoured with a knighthood in 1970 - invented from licensing and technical fees is running at a rate of £30 millions pounds a year.
	Triple OG Sir Alastair Pilkington - he was honoured with a knighthood in 1970 - invented from licensing and technical fees is running at a rate of £30 millions pounds a year.
	OG Sir Alastair Pilkington - he was honoured with a knighthood in 1970 - invented from licensing and technical fees is running at a rate of £30 millions pounds a year.