Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464018 | Portable handheld drilling machine having an internal combustion engine | — | 2002-10-15 |
| 6375171 | Vibration damper | Helmut Zimmermann, Horst Otterbach, Bernhard Durr, Manfred Rabis, Karl-Heinz Klopfer +2 more | 2002-04-23 |