Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5714062 | Diffuser conduit joint | William H. Roche | 1998-02-03 |
| 5597491 | Direct delivery in-situ diffuser cleaning | — | 1997-01-28 |
| 5378355 | Direct delivery in-situ diffuser cleaning | — | 1995-01-03 |