Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7842362 | Water-resistant wound paperboard tube | Tom Kim, Charles W. Lounsbury, Jr., David E. Rhodes, Johannes van de Camp | 2010-11-30 |
| 4670311 | Impregnated fibrous laminates | — | 1987-06-02 |
| 4582735 | Impregnated fibrous laminates | — | 1986-04-15 |