IP Library Granted Patent US 6,677,819
Granted Patent Utility PCT National Stage
US 6,677,819 · Confirmation No. 7083

POWER AMPLIFIER UNIT

Patented Case View Patent ↗
⬇ PDF
Code Description Pages PDF
2008-06-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-06-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-06-06 PET.POA.WDRW Request for withdrawal as attorney or agent 1 View
2008-06-06 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-11-20 IFEE Issue Fee Payment (PTO-85B) 2 View
2002-01-16 LET. Miscellaneous Incoming Letter 28 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 6,677,819
App. No.
09/936,539
Filed
2002-01-16
Effective Filing
2001-09-10
Granted
2004-01-13
Art Unit
2817
PTA
0 days