Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8282446 | Guard attachment device | Stefan Heess, Juergen Wiker, Peter Stierle | 2012-10-09 |
| 7063606 | Portable power tool with protective cover | Peter Stierle, Juergen Wiker, Stefan Heess | 2006-06-20 |
| 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 |