Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5505172 | Process and device for a two-stroke combustion-engine | Krzysztof Wislocki | 1996-04-09 |
| 4190038 | Solar heater | Rudolf Kroll, Edgard Grundmann | 1980-02-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5505172 | Process and device for a two-stroke combustion-engine | Krzysztof Wislocki | 1996-04-09 |
| 4190038 | Solar heater | Rudolf Kroll, Edgard Grundmann | 1980-02-26 |