Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669544 | Protective hood for a right angle grinder | Roland Walz, Peter Stierle, Ralph Dammertz, Stefan Heess | 2003-12-30 |
| 6632128 | Angle grinder with electric drive | Guenther Berger, Roland Walz, Peter Stierle, Ralph Dammertz, Stefan Heess | 2003-10-14 |