Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6539871 | Degradable practice mine | Richard W. Rentfrow, Wesley G. Marquette, Robert E. Long | 2003-04-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6539871 | Degradable practice mine | Richard W. Rentfrow, Wesley G. Marquette, Robert E. Long | 2003-04-01 |