Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7516748 | Apparatus for cleaning articles | Robert Parrish | 2009-04-14 |
| 6652657 | Method for electrochemically treating articles and apparatus and method for cleaning articles | Robert Parrish | 2003-11-25 |
| 6547945 | Method and apparatuses for electrochemically treating an article | Robert Parrish | 2003-04-15 |