Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4431309 | Monitoring apparatus | Erwin Sick, Dieter Ross | 1984-02-14 |
| 4357071 | Optical fault seeking apparatus | Klaus Ostertag, Heinz Schreyer | 1982-11-02 |
| 4293776 | Banknote condition monitoring apparatus | Erwin Sick | 1981-10-06 |
| 4291987 | Hole seeking apparatus | Erwin Sick | 1981-09-29 |