Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6351871 | Aqueous quaternary ammonium hydroxide as a screening mask cleaner | Krishna G. Sachdev, John T. Butler, Michael E. Cropp, Donald W. DiAngelo, James N. Humenik +7 more | 2002-03-05 |