Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654638 | Plural Frequency method and system for identifying metal objects in a background environment | — | 1997-08-05 |
| 5642050 | Plural frequency method and system for identifying metal objects in a background environment using a target model | — | 1997-06-24 |
| 4862316 | Static charge dissipating housing for metal detector search loop assembly | Peter Smith, Mark W. Rohde | 1989-08-29 |
| 4783630 | Metal detector with circuits for automatically screening out the effects of offset and mineralized ground | — | 1988-11-08 |