IP Library › Granted Patent US 6,720,068
Granted Patent Utility PCT National Stage
US 6,720,068 · Confirmation No. 4996

SOUND ABSORBENT THIN-LAYER LAMINATE

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2005-12-05 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2004-02-23 IFEE Issue Fee Payment (PTO-85B) 2 View
2000-09-01 LET. Miscellaneous Incoming Letter 14 View
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Quick Facts
Patent No.
US 6,720,068
App. No.
09/623,420
Filed
2003-05-27
Effective Filing
2000-09-01
Granted
2004-04-13
Examiner
VO, HAI
Art Unit
1771
PTA
0 days