Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6149881 | Pyrolysis method for increasing limonene production and novel oven to facilitate such method | Curtiss Dwight Hanson, James E. Haworth, James A. Olson | 2000-11-21 |
| 5977421 | Pyrolysis method for increasing limonene production and novel oven to facilitate such method | Curtiss Dwight Hanson, James E. Haworth, James A. Olson | 1999-11-02 |