Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7749354 | Digester wash extraction by individual screen flow control | Dean K Lawrence, Stanislaus Leo Ludwig, David R Code | 2010-07-06 |
| 7658820 | Digester wash extraction by individual screen flow control | Dean K Lawrence, Stanislaus Leo Ludwig, David R Code | 2010-02-09 |
| 7452444 | Digester wash extraction by individual screen flow control | Dean K Lawrence, Stanislaus Leo Ludwig, David R Code | 2008-11-18 |