Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4699321 | Sprinkler head drain valve | Stephen L. Tyler | 1987-10-13 |
| 4191331 | Stream reversing director | Wilson V. Cochran | 1980-03-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4699321 | Sprinkler head drain valve | Stephen L. Tyler | 1987-10-13 |
| 4191331 | Stream reversing director | Wilson V. Cochran | 1980-03-04 |