Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4402135 | Method of forming a circuit board | Otto Schweingruber | 1983-09-06 |
| 4371177 | Self-locking sealing and wiper ring | Gunter F. Bahr, Erich Habel | 1983-02-01 |
| 4205595 | Piston | Erich Habel | 1980-06-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4402135 | Method of forming a circuit board | Otto Schweingruber | 1983-09-06 |
| 4371177 | Self-locking sealing and wiper ring | Gunter F. Bahr, Erich Habel | 1983-02-01 |
| 4205595 | Piston | Erich Habel | 1980-06-03 |