Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12140070 | Spark-ignited reciprocating piston internal combustion engine with a pre-chamber ignition system | Erik Schaefer | 2024-11-12 |
| 11952934 | Spark-ignited reciprocating piston internal combustion engine comprising a pre-chamber ignition system | Erik Schaefer | 2024-04-09 |