Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5121105 | Metal detector | — | 1992-06-09 |
| 5047718 | Improving the discrimination of an impulse technique metal detector by correlating responses inside and outside of a cut-off peak area | Ari Jarvi | 1991-09-10 |
| 4894619 | Impulse induced eddy current type detector using plural measuring sequences in detecting metal objects | Erkki Leinonen | 1990-01-16 |
| 4605898 | Pulse field metal detector with spaced, dual coil transmitter and receiver systems | Erkki Sakari Kiuru, Aatu Veikko Kalevi Lappalainen, Kalevi Savolainen | 1986-08-12 |