FK

Ferdinand Kristen

HA Hilti Aktiengesellschaft: 2 patents #18 of 146Top 15%
📍 Gilching, DE: #3 of 15 inventorsTop 20%
Overall (2003): #68,148 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6644450 Safety clutch for electrical hand-held tool Hans-Werner Bongers-Ambrosius, Peter Hellmann 2003-11-11
6520270 Depth stop assembly for a hand-held power tool Walter Wissmach, Hans-Werner Bongers-Ambrosius 2003-02-18