Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5128881 | Means and methods for predicting hold time in enclosures equipped with a total flooding fire extinguishing system | David W. Saum | 1992-07-07 |
| 4631876 | Orifice metering fan device | — | 1986-12-30 |
| 4420969 | Orifice metering fan device | — | 1983-12-20 |