Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5997630 | Concrete accelerators | Terye Angelskar, Bernhard Leikauf, Valentina Mader | 1999-12-07 |
| 5935318 | Concrete spraying additives | Terje Angelskar, Martin Weibel | 1999-08-10 |