David S. Lafyatis

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Patents Grantslast 30 patents

Information Patent Grant
Combatting air pollution
- Patent number 5,939,028
- Issue date Aug 17, 1999
- Johnson Matthey PLC
- Stephen C Bennett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Emissions control
- Patent number 5,776,417
- Issue date Jul 7, 1998
- Johnson Matthey Public Limited Company
- Johnathan C. Frost
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS