Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5601148 | Arrangement for measuring the position of a feed beam in a rock drilling apparatus and/or measuring the position of a rock drill | Pauli Lemmetty, Matti Rissanen | 1997-02-11 |
| 5050283 | Arrangement for handling drill rods in a rock drilling unit or the like | Jusha Piipponen, Juhani Lappalainen, Kari Farlin, Pekka Salmi | 1991-09-24 |