RL

Ryszard Leoniak

Overall (All Time): #3,029,425 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9510117 Device for measuring sound level Wieslaw Barwicz, Lukasz Lukaszewski, Grzegorz Kuzmiszyn 2016-11-29