Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6400939 | Method for limiting use of terminal equipments | Keijo Ekola | 2002-06-04 |
| 4964731 | Shotcrete gun | — | 1990-10-23 |
| 4865887 | Procedure for the production of concrete elements | — | 1989-09-12 |