HF

Hans-Jacob Fromreide

📍 Oslo, NO: #821 of 2,623 inventorsTop 35%
Overall (All Time): #2,128,546 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7824475 Air cleaning device Tomm Slater 2010-11-02
7427313 Air purification device Tomm Slater 2008-09-23