Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833385 | Method for the phase synchronization of step-drive controlled equipment | Nikolaus Schmidt | 1989-05-23 |
| 4831319 | Method for the phase synchronization of step-drive controlled equipment | Horst Pawlik, Nikolaus Schmidt | 1989-05-16 |