HF

Helmut-Fritz Froeber

📍 Irvine, CA: #3,053 of 6,241 inventorsTop 50%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,223,958 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D438591 Pocket-sized water-sterilizer — 2001-03-06
5991594 Electronic book Hong Young Kim 1999-11-23