Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4911420 | Arrangement for transporting a record chart bundle | Norbert Knauer | 1990-03-27 |
| 4903044 | Arrangement for the automatic and correct positioning with respect to time of a record chart bundle serving to record in segments in a continuous manner | Norbert Knauer, Benjamin Saeger, Josef Wangler | 1990-02-20 |