Team

Ralph Schläpfer

Ralph Schläpfer

Director / qualified civil engineer ETH/SIA
Tel.: +41 71 353 04 13

E-Mail: r.schlaepfer@lignatur.ch

Andreas Torggler

Andreas Torggler

Research & Development / qualified engineer
Tel.: +41 71 353 04 26

E-Mail: a.torggler@lignatur.ch

Ralf Wipper

Ralf Wipper

Technical advice / qualified engineer (FH)
Tel.: +41 71 353 04 22

E-Mail: r.wipper@lignatur.ch