Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6868916 | Fire sprinkler systems | — | 2005-03-22 |
| 5395442 | Lightweight concrete roof tiles | Harvey R. Dunton | 1995-03-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6868916 | Fire sprinkler systems | — | 2005-03-22 |
| 5395442 | Lightweight concrete roof tiles | Harvey R. Dunton | 1995-03-07 |