Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5779953 | Method and a device for making concrete products | Risto Sutinen, Lassi Jarvinen | 1998-07-14 |
| 4755338 | Method and slide-casting machine for the casting of hollow pre-cast units of concrete | — | 1988-07-05 |