IP Library › Granted Patent US 6,679,500
Granted Patent Utility
US 6,679,500 · Confirmation No. 8369

COAL PULVERIZER BRUSH SEAL ASSEMBLY

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2007-06-19 DISQ Terminal Disclaimer review decision 3 View
2006-10-24 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
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2002-09-25 SPEC Specification 10 View
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Quick Facts
Patent No.
US 6,679,500
App. No.
10/254,164
Filed
2002-09-25
Granted
2004-01-20
Art Unit
3676
PTA
0 days