Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4901567 | Shaft device for a bellows-type gas meter | Heinrich Bertke, Reinhard Bruggemann, Peter Hampel, Werner Pohl, Martin Bronstrup +4 more | 1990-02-20 |
| 4625228 | Multi-layer electrical support substrate | Albrecht Bischoff, Holger Eisentraut | 1986-11-25 |