IP Library › Granted Patent US 6,642,781
Granted Patent Utility
US 6,642,781 · Confirmation No. 4131

SELECTABLE EQUALIZATION SYSTEM AND METHOD

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2003-09-08 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-08 C.AD Change of Address 1 View
2002-09-06 TRNA Transmittal of New Application 4 View
2002-09-06 A.PE Preliminary Amendment 5 View
2002-09-06 SPEC Specification 15 View
2002-09-06 CLM Claims 7 View
2002-09-06 ABST Abstract 1 View
2002-09-06 DRW Drawings-only black and white line drawings 4 View
2002-09-06 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,642,781
App. No.
10/236,761
Filed
2002-09-06
Granted
2003-11-04
Art Unit
2816
PTA
0 days