Ulrich Graf

Follow

Person

Winterthur, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Identification medium with passive electronic data carrier storing...
- Patent number 6,126,078
- Issue date Oct 3, 2000
- Kaba Schliesssysteme AG
- Johann Locher
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Portable identification carrier
- Patent number 5,844,244
- Issue date Dec 1, 1998
- Kaba Schliesssysteme AG
- Ulrich Graf
- G06 - COMPUTING CALCULATING COUNTING