IP Library › Granted Patent US 6,546,221
Granted Patent Utility
US 6,546,221 · Confirmation No. 3944

DEVELOPER STORAGE AND DELIVERY SYSTEM FOR LIQUID ELECTROPHOTOGRAPHY

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2019-02-06 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-02-06 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-01-18 PA.. Power of Attorney 1 View
2019-01-18 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2008-10-31 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-10-31 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-10-23 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-10-23 PA.. Power of Attorney 1 View
2008-10-23 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2002-04-19 TRNA Transmittal of New Application 1 View
2002-04-19 SPEC Specification 22 View
2002-04-19 CLM Claims 8 View
2002-04-19 ABST Abstract 1 View
2002-04-19 DRW Drawings-only black and white line drawings 2 View
2002-04-19 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,546,221
App. No.
10/127,236
Filed
2002-04-19
Granted
2003-04-08
Pub. No.
US20020154923A1
Examiner
TRAN, HOAN H
Art Unit
2852
PTA
-87 days