IP Library › Granted Patent US 6,798,421
Granted Patent Utility
US 6,798,421 · Confirmation No. 7983

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2020-12-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2020-12-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2020-10-23 PA.. Power of Attorney 1 View
2020-10-23 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2020-10-23 MFEE.C.AD Maintenance Fee Address Change 2 View
2020-10-23 N417 Electronic Filing System Acknowledgment Receipt 2 View
2018-03-05 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2018-03-05 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2018-02-23 PA.. Power of Attorney 1 View
2018-02-23 N417 Electronic Filing System Acknowledgment Receipt 2 View
2018-02-23 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2014-05-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-05-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-04-28 PA.. Power of Attorney 2 View
2014-04-28 N417 Electronic Filing System Acknowledgment Receipt 2 View
2007-11-06 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2004-05-21 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-02-28 TRNA Transmittal of New Application 1 View
2002-02-28 SPEC Specification 47 View
2002-02-28 CLM Claims 1 View
2002-02-28 ABST Abstract 1 View
2002-02-28 DRW Drawings-only black and white line drawings 7 View
2002-02-28 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,798,421
App. No.
10/087,233
Filed
2002-02-28
Granted
2004-09-28
Pub. No.
US20020118202A1
Examiner
TUNG, KEE M
Art Unit
2676
PTA
-109 days