Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D377531 | Hexagonal vertical jet mound | Michael P. Leonhardt, W. James Clark, Stephen S. Macey | 1997-01-21 |
| D376432 | Triangular vertical jet mound | Michael P. Leonhardt, W. James Clark, Stephen S. Macey | 1996-12-10 |
| D375165 | Ellipsiodal vertical jet mound | Michael P. Leonhardt, W. James Clark, Stephen S. Macey | 1996-10-29 |