IP Library Granted Patent US 6,680,991
Granted Patent Utility
US 6,680,991 · Confirmation No. 1725

DETECTION OF FREQUENCY DIFFERENCES BETWEEN SIGNALS

Inventor: German Gutierrez
Patented Case View Patent ↗
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Code Description Pages PDF
2003-10-27 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-10-01 TRNA Transmittal of New Application 3 View
2002-10-01 ADS Application Data Sheet 1 View
2002-10-01 SPEC Specification 13 View
2002-10-01 CLM Claims 7 View
2002-10-01 ABST Abstract 1 View
2002-10-01 DRW Drawings-only black and white line drawings 4 View
2002-10-01 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,680,991
App. No.
10/263,066
Filed
2002-10-01
Granted
2004-01-20
Examiner
FAN, CHIEH M
Art Unit
2634
PTA
0 days