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David Scott Lafyatis

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  • Frazer, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and system for maintaining efficiency of a three-way catalyst
    • Patent number 6,634,169
    • Issue date Oct 21, 2003
    • Johnson Matthey Public Limited Company
    • Paul Joseph Andersen
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Combatting air pollution
    • Patent number 6,477,831
    • Issue date Nov 12, 2002
    • Johnson Matthey Public Limited Company
    • Todd Howard Ballinger
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents