Inventor

TRAECHSLIN WALTER

CH3 patents

Patents

3 patents

US5714213AFeb 3, 1998

Securtiy element

LANDIS & GYR BETRIEBS AG56 citations94

US5538753AJul 23, 1996

Security element

LANDIS & GYR BETRIEBS AG55 citations94

US5119024AJun 2, 1992

Optical device for sensing magnetic inductions

LANDIS & GYR BETRIEBS AG25 citations91