Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5985146 | Sanitary rigid shell spiral wound element | Peter Knappe, Daniel F. Quigg | 1999-11-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5985146 | Sanitary rigid shell spiral wound element | Peter Knappe, Daniel F. Quigg | 1999-11-16 |