IP Library › Granted Patent US 6,490,069
Granted Patent Utility
US 6,490,069 · Confirmation No. 9992

TRANSMISSION AND RECEPTION OF DUOBINARY MULTILEVEL PULSE-AMPLITUDE-MODULATED OPTICAL SIGNALS USING SUBTRACTION-BASED ENCODER

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2016-01-22 OATH Oath or Declaration filed 4 View
2008-03-25 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-03-25 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-03-14 PA.. Power of Attorney 3 View
2008-03-14 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-02-07 LET. Miscellaneous Incoming Letter 1 View
2008-02-07 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-01-29 TRNA Transmittal of New Application 4 View
2001-01-29 SPEC Specification 39 View
2001-01-29 CLM Claims 7 View
2001-01-29 ABST Abstract 1 View
2001-01-29 DRW Drawings-only black and white line drawings 23 View
2001-01-29 OATH Oath or Declaration filed 3 View
2001-01-29 TRNA Transmittal of New Application 4 View
2001-01-29 SPEC Specification 39 View
2001-01-29 CLM Claims 7 View
2001-01-29 ABST Abstract 1 View
2001-01-29 DRW Drawings-only black and white line drawings 23 View
2001-01-29 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,490,069
App. No.
09/772,799
Filed
2001-01-29
Granted
2002-12-03
Art Unit
2633
PTA
0 days