Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6361614 | Dark spin rinse/dry | Glenn Alan Marshall, Charles Walter Pearce, Kevin P. Yanders | 2002-03-26 |
| 5930650 | Method of etching silicon materials | Charles Walter Pearce | 1999-07-27 |
| 5336371 | Semiconductor wafer cleaning and rinsing techniques using re-ionized water and tank overflow | Gerald N. DiBello, Charles Walter Pearce, Kevin P. Yanders | 1994-08-09 |
| 5000795 | Semiconductor wafer cleaning method and apparatus | Roland Ellis, Kenneth G. Frazee | 1991-03-19 |