IP Library › Granted Patent US 6,520,643
Granted Patent Utility
US 6,520,643 · Confirmation No. 3196

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2011-09-22 N427 Post Allowance Communication - Incoming 1 View
2011-09-22 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-08-26 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-08-26 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-08-18 PA.. Power of Attorney 1 View
2011-08-18 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-08-18 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2002-03-29 TRNA Transmittal of New Application 2 View
2002-03-29 ABST Abstract 1 View
2002-01-11 TRNA Transmittal of New Application 2 View
2002-01-11 A.PE Preliminary Amendment 2 View
2002-01-11 SPEC Specification 188 View
2002-01-11 CLM Claims 6 View
2002-01-11 DRW Drawings-only black and white line drawings 115 View
2002-01-11 OATH Oath or Declaration filed 10 View
2002-01-11 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,520,643
App. No.
10/043,840
Filed
2002-01-11
Granted
2003-02-18
Art Unit
2851
PTA
0 days