Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4603491 | Reversible cross flow drying or curing oven | William F. Granfors | 1986-08-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4603491 | Reversible cross flow drying or curing oven | William F. Granfors | 1986-08-05 |