Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4981266 | Injection valve | Wolfgang Kramer, Ernst Lang, Mathias Linssen, Alois Stemmer, Michael Wissmann | 1991-01-01 |
| 4907746 | Injection valve | Wolfgang Kramer, Ernst Lang, Mathias Linssen, Alois Stemmer, Michael Wissmann | 1990-03-13 |
| 4732327 | Injection valve | Wolfgang Kramer, Ernst Lang, Mathias Linssen, Alois Stemmer, Michael Wissmann | 1988-03-22 |