Egidius Henrikus Gerardus Siegers

Person

  • Helmond, NL

Patents Grantslast 30 patents

  • Information Patent Grant

    Scaffolding joint

    • Patent number 3,992,118
    • Issue date Nov 16, 1976
    • SGB Group Limited
    • Egidius Henrikus Gerardus Siegers
    • E04 - BUILDING