Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4787776 | Method of directing or holding water | Sam A. Brady, Michael D. Meddaugh, Michael G. Elias | 1988-11-29 |
| 4678376 | Method of constructing means for directing or holding water | Michael D. Meddaugh | 1987-07-07 |