Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8187618 | Sustained release microbial insect control composition and means | Robert D. Sjogren | 2012-05-29 |
| 7892571 | Controlled release of S-methoprene and other active ingredients with activated carbon | Robert D. Sjogren | 2011-02-22 |
| 7837988 | Sustained release microbial insect control composition and means | Robert D. Sjogren | 2010-11-23 |
| 7726913 | Method and apparatus for forming in ground piles | — | 2010-06-01 |