IP Library › Granted Patent US 6,497,752
Granted Patent Utility PCT National Stage
US 6,497,752 · Confirmation No. 2752

INTEGRALLY ASYMMETRICAL POLYOLEFIN MEMBRANE

Patented Case View Patent ↗
⬇ PDF
 Code Description Pages PDF
2016-12-06 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-12-06 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-11-22 PA.. Power of Attorney 1 View
2016-11-22 N417 Electronic Filing System Acknowledgment Receipt 2 View
2016-11-22 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2001-08-24 LET. Miscellaneous Incoming Letter 82 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 6,497,752
App. No.
09/868,593
Filed
2001-08-24
Granted
2002-12-24
Art Unit
1724
PTA
0 days