Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5252266 | Control of the hardening of binders and cements | William N. Brabston | 1993-10-12 |
| 5246862 | Method and apparatus for in-situ detection and determination of soil contaminants | Clifford E Grey, Stafford S. Cooper | 1993-09-21 |
| 5128882 | Device for measuring reflectance and fluorescence of in-situ soil | Stafford S. Cooper | 1992-07-07 |
| 5092245 | Explosive stemming device | Donald H. Douglas, Stafford S. Cooper | 1992-03-03 |