Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880314 | Pyrometric measurement procedure and multi-channel pyrometer | — | 1989-11-14 |
| 4821219 | Method for the contactless measuring of temperature with a multi-channel pyrometer | Christian Schiewe | 1989-04-11 |