Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5036477 | Method for the interference suppression in ultrasonic distance measurements | Alfred Forster | 1991-07-30 |
| 4974214 | Method for the suppression of interference signals during operation of ultrasonic proximity transducers | Alfred Forster | 1990-11-27 |