Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7507664 | Tungsten plug corrosion prevention method using ionized air | John W. Jacobs | 2009-03-24 |
| 7253092 | Tungsten plug corrosion prevention method using water | John W. Jacobs | 2007-08-07 |
| 7052992 | Tungsten plug corrosion prevention method using ionized air | John W. Jacobs | 2006-05-30 |
| 6977215 | Tungsten plug corrosion prevention method using gas sparged water | John W. Jacobs | 2005-12-20 |