Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357071 | Optical fault seeking apparatus | Siegfried Mankel, Heinz Schreyer | 1982-11-02 |
| 4310250 | Apparatus for monitoring for faults in translucent strip material | Erwin Sick | 1982-01-12 |