IP Library › Granted Patent US 6,661,408
Granted Patent Utility
US 6,661,408 · Confirmation No. 6987

TOUCH SCREEN CAPABLE OF ISOLATING NOISE SIGNALS

Inventor: Chi-Ruey Chen
Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2013-04-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-04-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-03-21 SES.LOSS Notification of loss of entitlement to small entity status 2 View
2013-03-21 N417 Electronic Filing System Acknowledgment Receipt 2 View
2013-03-20 PA.. Power of Attorney 6 View
2013-03-20 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-10-04 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-08-30 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-08-20 PA.. Power of Attorney 2 View
2011-08-20 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-04-08 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-09-22 LET. Miscellaneous Incoming Letter 1 View
2003-09-22 DRW Drawings-only black and white line drawings 3 View
2003-09-22 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-22 PA.. Power of Attorney 3 View
2003-09-22 OATH Oath or Declaration filed 2 View
2001-03-23 TRNA Transmittal of New Application 1 View
2001-03-23 SPEC Specification 15 View
2001-03-23 CLM Claims 3 View
2001-03-23 ABST Abstract 1 View
2001-03-23 DRW Drawings-only black and white line drawings 9 View
2001-03-23 OATH Oath or Declaration filed 2 View
2001-03-23 LET. Miscellaneous Incoming Letter 1 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
Patent No.
US 6,661,408
App. No.
09/814,842
Filed
2001-03-23
Granted
2003-12-09
Pub. No.
US20020135568A1
Art Unit
2674
PTA
-2 days