Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4652761 | Grating ozone spectrophotometer | James B. Kerr, David I. Wardle | 1987-03-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4652761 | Grating ozone spectrophotometer | James B. Kerr, David I. Wardle | 1987-03-24 |