Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4936922 | High-purity cleaning system, method, and apparatus | — | 1990-06-26 |
| 4832753 | High-purity cleaning system, method, and apparatus | Joseph J. Burke, Christopher Platt, Craig H. Cowles | 1989-05-23 |