Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6243970 | Stack of lumber having low resistance to airflow therethrough and associated method | Robert T. Nagel | 2001-06-12 |
| 5488785 | Controlled upper row airflow method and apparatus | — | 1996-02-06 |
| 5437109 | Aerodynamic surfacing for improved air circulation through a kiln for drying lumber | — | 1995-08-01 |
| 5416985 | Center bridging panel for drying green lumber in a kiln chamber | — | 1995-05-23 |
| 5414944 | Method and apparatus for decreasing separation about a splitter plate in a kiln system | Robert T. Nagel | 1995-05-16 |