Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857779 | Circuit arrangement for reducing noise | Hartmut Harlos | 1989-08-15 |
| 4805021 | Control circuit for calibrating a delay line | Hartmut Harlos, Klaus Juhnke | 1989-02-14 |
PK
Peter Kelting
Overall (1989): #18,518 of 140,708Top 15%
2
Patents 1989