IP Library › Granted Patent US 6,803,015
Granted Patent Utility
US 6,803,015 · App. 10/131,652

Method of making wall-flow monolith filter

Inventors: Fredrick W. Vance, Sten A. Wallin
Patented Case View Patent ↗
Granted: Oct 12, 2004 Filed: Apr 23, 2002
Inventors
Fredrick W. Vance
Sten A. Wallin
Assignee (at issue)
Dow Global Technologies LLC

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

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 patent's details
Quick Facts
Patent No.
US 6,803,015
App. No.
10/131,652
Filed
2002-04-23
Granted
2004-10-12
Kind
B2