Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5273581 | Method of making a hydraulic binder settable upon combination with water | Thomas Koslowski, Alexander Frohlich | 1993-12-28 |
| 4971627 | Method for producing and using a cement-type binding material | Thomas Koslowski, Alexander Froehlich | 1990-11-20 |