Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669542 | Angle grinder | Peter Stierle, Ralph Dammerz, Maria-Margaretta Sulea, Stefan Heess | 2003-12-30 |
| 6669544 | Protective hood for a right angle grinder | Peter Stierle, Ralph Dammertz, Maria-Margareta Sulea, Stefan Heess | 2003-12-30 |
| 6632128 | Angle grinder with electric drive | Guenther Berger, Peter Stierle, Ralph Dammertz, Maria-Margareta Sulea, Stefan Heess | 2003-10-14 |