Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5044489 | Feed screw | Pekka Havola, Olli Kekalainen | 1991-09-03 |
| 4786242 | Apparatus for the casting of hollow slabs out of concrete | — | 1988-11-22 |
| 4608216 | Method for the casting of hollow slabs out of concrete | — | 1986-08-26 |