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Current assig. owns from to patents

found 3 in 62ms

patent	score	priority	expiry	expired	references	current assignee	title
5992337	26	1997-09-26	2017-09-26	1	12	AIR LIQUIDE INDUSTRIAL U S LP;	Methods of improving productivity of black liquor recovery boilers
6408771	33	1997-09-26	2017-09-26	1	4	AIR LIQUIDE INDUSTRIAL U S LP;	Methods of improving productivity of black liquor recovery boilers
6799526	71	1997-09-26	2017-09-26	1	1	AIR LIQUIDE INDUSTRIAL U S LP;	Methods of improving productivity of black liquor recovery boilers