IP Library Granted Patent US 6,469,647
Granted Patent Utility PCT National Stage
US 6,469,647 · Confirmation No. 9793

HIGH-PRECISION D-A CONVERTER CIRCUIT

Patented Case View Patent ↗
⬇ PDF
Code Description Pages PDF
2001-08-15 LET. Miscellaneous Incoming Letter 88 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 6,469,647
App. No.
09/913,519
Filed
2001-08-15
Granted
2002-10-22
Art Unit
2819
PTA
-119 days