Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5312041 | Dual fluid method and apparatus for extinguishing fires | Dwight P. Williams | 1994-05-17 |
| 5275243 | Dry powder and liquid method and apparatus for extinguishing fire | Dwight P. Williams | 1994-01-04 |