Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5240708 | Composition and method for discouraging spiders, insects or the like | Sonja A. Plummer | 1993-08-31 |
| 5208029 | Insect repellent and method using plant oils | Sonja A. Plummer | 1993-05-04 |