Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878898 | Method for improving ash rate uniformity in photoresist ashing process equipment | Timothy J. Hogan | 2005-04-12 |
| 6646223 | Method for improving ash rate uniformity in photoresist ashing process equipment | Timothy J. Hogan | 2003-11-11 |
| 4787348 | Carbon-cleaning apparatus for diesel engines | — | 1988-11-29 |