Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6369574 | Method of probing drill holes electromagnetically, and a transmitter arrangement and a receiver arrangement for carrying out the method | Per Ederlöv, Östen Lindqvist, Per Nilsson, Henrik Sundén, Jan Wikberg +1 more | 2002-04-09 |
| 5208539 | Method for determining electromagnetically the locations of underground ore deposits | Svante Holmqvist, Stig Erik Daniel Strömbergsson | 1993-05-04 |