Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5705985 | Structure-borne sound detector for break-in surveillance | — | 1998-01-06 |
| 5602529 | Structure-borne sound detector for an intruder alarm system | George Wegmann, Peter Marki, Peter Steiner, Peter Ryser | 1997-02-11 |