Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9809496 | Additive for cementitious materials | Anna Suurnakki, Antti Laukkanen, Jan-Erik Teirfolk, Markku Leivo | 2017-11-07 |
| 9174873 | Material to be used as a concrete additive | Antti Laukkanen, Jan-Erik Teirfolk, Markku Leivo, Kirsi Kataja, Antti Nurmi | 2015-11-03 |