Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862477 | Apparatus and method for melting and homogenizing batch material | Leonard E. Olds, Michael D. Peterson | 1989-08-29 |
| 4826359 | Structures of compacted materials composed of embankment fixed with a hydraulic binder and processes and machines for constructing them by compacting the slopes | Andre G. Bec, Andre L. Blanc | 1989-05-02 |
| 4800753 | Geomechanical probe for a drilling well | Damien Despax, Francois C. Gueuret | 1989-01-31 |