Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8187618 | Sustained release microbial insect control composition and means | David R. Sjogren | 2012-05-29 |
| 7892571 | Controlled release of S-methoprene and other active ingredients with activated carbon | David R. Sjogren | 2011-02-22 |
| 7837988 | Sustained release microbial insect control composition and means | David R. Sjogren | 2010-11-23 |
| 5484600 | Insecticidal composite timed released particle | — | 1996-01-16 |
| 4971796 | Slow release pest control granule composition | — | 1990-11-20 |
| 4732762 | Timed release pest control composition and means | — | 1988-03-22 |
| 4670039 | Timed release fertilizer composition and means | — | 1987-06-02 |