Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4776131 | Plant nutrient product | Erik Haeffner | 1988-10-11 |
| 4611544 | Burner for particulate fuel | — | 1986-09-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4776131 | Plant nutrient product | Erik Haeffner | 1988-10-11 |
| 4611544 | Burner for particulate fuel | — | 1986-09-16 |