Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5068612 | Electromagnetic shield for an inductive search coil assembly | Hans-Jurgen Fabris, Karl Mock, Wolfgang Patwald, Helmut Seichter | 1991-11-26 |
| 4926127 | Apparatus for the detection of metal objects located within a poor electrically conductive environment | Hans-Jurgen Fabris, Wolfgang Patzwald, Helmut Seichter | 1990-05-15 |
| 4881036 | Phase shift compensation for metal detection apparatus | Hans-Jurgen Fabris, Wolfgang Patzwaldt, Helmut Seichter | 1989-11-14 |