Munich
Germany
2
2023-10-19
The entities that hold a legal rights for patent applications filed by inventor Schaefer Erik:
Erik Schaefer from Munich, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Spark-ignited reciprocating piston internal combustion engine comprising a pre-chamber ignition system
#2 | 2023-03-09Spark-ignited reciprocating piston internal combustion engine with a pre-chamber ignition system
6620970 ⎘