IP Library Granted Patent US 6,474,987
Granted Patent Utility PCT National Stage
US 6,474,987 · Confirmation No. 8326

WAFER HOLDER

Patented Case View Patent ↗
⬇ PDF
Code Description Pages PDF
2009-01-27 C.AD Change of Address 2 View
2009-01-27 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-07-09 LET. Miscellaneous Incoming Letter 148 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 6,474,987
App. No.
09/831,032
Filed
2001-07-09
Granted
2002-11-05
Art Unit
3749
PTA
-30 days