Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6948485 | Ignition unit for internal combustions engines | Andreas Kruger | 2005-09-27 |
| 6694942 | Four-stroke engine with rotary valve control | Rainer Massmann, Wolf Burger | 2004-02-24 |
| 6659064 | Compact four-stroke combustion engine, especially for the use in a portable working device | Rainer Massmann, Wolf Burger, Eberhard Witzgall | 2003-12-09 |