Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047302 | Drilling and/or striking hammer with a lubricating device | Otto W. Stenzel | 2011-11-01 |
| 7947569 | Method for producing a semiconductor including a foreign material layer | Anton Mauder, Frank Pfirsch, Stefan Sedlmaier, Wolfgang Lehnert, Raimund Foerg | 2011-05-24 |