Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4326675 | Honey pit fertilization system | Donald Moldenhauer | 1982-04-27 |
| 4284246 | Honey pit fertilization system | Don Moldenhauer | 1981-08-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4326675 | Honey pit fertilization system | Donald Moldenhauer | 1982-04-27 |
| 4284246 | Honey pit fertilization system | Don Moldenhauer | 1981-08-18 |