IP Library › Granted Patent US 6,534,791
Granted Patent Utility PCT National Stage
US 6,534,791 · Confirmation No. 3716

EPITAXIAL ALUMINIUM-GALLIUM NITRIDE SEMICONDUCTOR SUBSTRATE

Patented Case View Patent ↗
⬇ PDF
 Code Description Pages PDF
2018-07-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2018-07-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2018-07-03 PA.. Power of Attorney 2 View
2018-07-03 N417 Electronic Filing System Acknowledgment Receipt 2 View
2018-07-03 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2001-09-06 ABST Abstract 1 View
2001-09-06 LET. Miscellaneous Incoming Letter 24 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 6,534,791
App. No.
09/856,724
Filed
2001-09-06
Effective Filing
2001-05-23
Granted
2003-03-18
Examiner
TRAN, TAN N
Art Unit
2826
PTA
0 days