Martin Pernicka

Person

  • Montreal, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Visor attachment for safety helmets

    • Patent number D319899
    • Issue date Sep 10, 1991
    • Institut de Recherche en Sante et an Securite du Travail du Quebec
    • Martin Pernicka
    • D29 - Equipment for safety, protection, and rescue