Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884348 | Testing device and method of determining the uncertainty of measurement of coordinate-measuring instruments | Friedrich Kitzsteiner | 1989-12-05 |
| 4822411 | Integrated steel mill arrangement | Gerhard Standler, Siegfried Zeller, Konstantin Milionis | 1989-04-18 |