Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348105 | Method for aligning a feeding beam in a rock drilling equipment and a rock drilling equipment and a measuring device | Juhani Lappalainen, Ari Tuunanen, Pertti Saarelainen | 1994-09-20 |
| 5279372 | Method of drilling holes in rock | — | 1994-01-18 |