Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4589341 | Method for explosive blast control using expanded foam | Charles J. Clark | 1986-05-20 |
| 4541947 | Method for crowd and riot control | Charles J. Clark | 1985-09-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4589341 | Method for explosive blast control using expanded foam | Charles J. Clark | 1986-05-20 |
| 4541947 | Method for crowd and riot control | Charles J. Clark | 1985-09-17 |