Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6151795 | Flat material dryer | Karl H. Hoffman, Michael W Pastore, David T. Gunn | 2000-11-28 |
| 5806204 | Material dryer using vacuum drying and vapor condensation | Karl H. Hoffman, Michael W Pastore | 1998-09-15 |