IP Library › Granted Patent US 6,609,489
Granted Patent Utility
US 6,609,489 · Confirmation No. 7925

APPARATUS AND METHOD FOR REDUCING ENGINE NOISE

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2019-05-30 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-05-30 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2002-05-07 TRNA Transmittal of New Application 1 View
2002-05-07 SPEC Specification 13 View
2002-05-07 CLM Claims 3 View
2002-05-07 ABST Abstract 1 View
2002-05-07 DRW Drawings-only black and white line drawings 4 View
2002-05-07 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,609,489
App. No.
10/140,914
Filed
2002-05-07
Granted
2003-08-26
Art Unit
3747
PTA
0 days