HI

Heiko Ippen

CA Confon Ag: 2 patents #3 of 4Top 75%
Overall (All Time): #1,671,399 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4854359 Antiskid device, particularly for pneumatically tired vehicle wheels on snow and ice surfaces Werner Preusker 1989-08-08
4543452 Apparatus for the storing and recovery of information, subscriber's numbers, subscriber's addresses, etc. 1985-09-24
D277395 Telephone index 1985-01-29