Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7994062 | Selective silicon etch process | William A. Wojtczak | 2011-08-09 |
| 7192910 | Cleaning solutions and etchants and methods for using same | William A. Wojtczak, Dean Dewulf | 2007-03-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7994062 | Selective silicon etch process | William A. Wojtczak | 2011-08-09 |
| 7192910 | Cleaning solutions and etchants and methods for using same | William A. Wojtczak, Dean Dewulf | 2007-03-20 |