Claude Hannigsberg

Person

  • Vernouillet, FR

Patents Grantslast 30 patents

  • Information Patent Grant

    D.C. voltage ratio measuring circuit

    • Patent number 3,952,248
    • Issue date Apr 20, 1976
    • Lignes Telegraphiques et Telephoniques
    • Claude Hannigsberg
    • G06 - COMPUTING CALCULATING COUNTING