FK

Frederick Kobes

📍 Mount Gambier, AU: #1 of 5 inventorsTop 20%
Overall (All Time): #2,181,772 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6915813 Check valve — 2005-07-12
6116270 Piston valve — 2000-09-12