IP Library › Granted Patent US 6,646,580
Granted Patent Utility
US 6,646,580 · Confirmation No. 9298

DIGITAL/ANALOG CONVERTER WITH PROGRAMMABLE GAIN

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2019-09-20 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-09-20 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-09-13 PA.. Power of Attorney 3 View
2019-09-13 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2019-09-13 C.AD Change of Address 2 View
2019-09-13 N417 Electronic Filing System Acknowledgment Receipt 2 View
2019-09-13 MFEE.C.AD Maintenance Fee Address Change 2 View
2003-09-09 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-09 LET. Miscellaneous Incoming Letter 3 View
2003-09-09 DRW Drawings-only black and white line drawings 2 View
2001-10-29 TRNA Transmittal of New Application 4 View
2001-10-29 A.PE Preliminary Amendment 5 View
2001-10-29 SPEC Specification 9 View
2001-10-29 CLM Claims 3 View
2001-10-29 ABST Abstract 1 View
2001-10-29 DRW Drawings-only black and white line drawings 4 View
2001-10-29 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,646,580
App. No.
10/012,009
Filed
2001-10-29
Granted
2003-11-11
Pub. No.
US20020109618A1
Art Unit
2819
PTA
-83 days