Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6370792 | Structure and methods for introducing heated ari into a kiln chamber | Robert T. Nagel | 2002-04-16 |
| 6219937 | Reheaters for kilns, reheater-like structures, and associated methods | Robert T. Nagel | 2001-04-24 |