IP Library › Granted Patent US 6,621,309
Granted Patent Utility
US 6,621,309 · Confirmation No. 6990

DRIVE CIRCUIT

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2014-01-23 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-01-23 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-01-14 PA.. Power of Attorney 1 View
2014-01-14 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2014-01-14 PA.. Power of Attorney 2 View
2014-01-14 N417 Electronic Filing System Acknowledgment Receipt 2 View
2014-01-14 TRAN.LET Transmittal Letter 1 View
2003-07-11 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-11 LET. Miscellaneous Incoming Letter 1 View
2002-08-08 TRNA Transmittal of New Application 5 View
2002-08-08 ADS Application Data Sheet 2 View
2002-08-08 SPEC Specification 22 View
2002-08-08 CLM Claims 4 View
2002-08-08 ABST Abstract 1 View
2002-08-08 DRW Drawings-only black and white line drawings 8 View
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Quick Facts
Patent No.
US 6,621,309
App. No.
10/216,063
Filed
2002-08-08
Granted
2003-09-16
Pub. No.
US20030034808A1
Examiner
TRAN, TOAN V
Art Unit
2816
PTA
0 days