Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8118930 | Setting accelerator for sprayed concrete | — | 2012-02-21 |
| 5935318 | Concrete spraying additives | Helmut Gebhardt, Martin Weibel | 1999-08-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8118930 | Setting accelerator for sprayed concrete | — | 2012-02-21 |
| 5935318 | Concrete spraying additives | Helmut Gebhardt, Martin Weibel | 1999-08-10 |