FZ

Frank Zickmantel

📍 Rabenau, DE: #28 of 66 inventorsTop 45%
Overall (All Time): #2,042,392 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8761411 Masking noise 2014-06-24
8631899 Sound absorber 2014-01-21