Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4630909 | Apparatus for measuring the position of a light source disposed inside a lighthouse | Joachim Hassler, Bernhard Lau, Rolf Schmidt | 1986-12-23 |
| 4335492 | Method of aligning a color tube cone and apparatus for carrying out the method | Peter Schmidt, Otto Brunn, Willi Schmidt | 1982-06-22 |