Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4605898 | Pulse field metal detector with spaced, dual coil transmitter and receiver systems | Kari T. J. Aittoniemi, Erkki Sakari Kiuru, Aatu Veikko Kalevi Lappalainen | 1986-08-12 |