IP Library › Granted Patent US 6,720,578
Granted Patent Utility
US 6,720,578 · Confirmation No. 3807

POLYCRYSTALLINE SILICON THIN FILM FOR A THIN FILM TRANSISTOR AND DISPLAY DEVICE USING THE SAME

Inventor: Ki-Yong Lee
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2011-02-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-02-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-01-24 PA.. Power of Attorney 4 View
2011-01-24 N417 Electronic Filing System Acknowledgment Receipt 2 View
2004-01-21 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-11-20 A.NA Amendment after Notice of Allowance (Rule 312) 2 View
2002-11-19 TRNA Transmittal of New Application 2 View
2002-11-19 SPEC Specification 12 View
2002-11-19 CLM Claims 2 View
2002-11-19 ABST Abstract 1 View
2002-11-19 DRW Drawings-only black and white line drawings 9 View
2002-11-19 OATH Oath or Declaration filed 1 View
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Quick Facts
Patent No.
US 6,720,578
App. No.
10/298,571
Filed
2002-11-19
Granted
2004-04-13
Pub. No.
US20030141503A1
Art Unit
2815
PTA
-105 days