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Inventors
Marc Irrgeher
Manitowoc, WI
US
2 patents
2 Patents
US12578016
2026
Coated Piston Ring for an Internal Combustion Engine
Federal-mogul Powertrain LLC
0 cites
US11906052
2024
Coated Piston Ring for an Internal Combustion Engine
Tenneco Inc.
0 cites