RG

Rudolf Gumpp

OA Optrel Holding Ag: 1 patents #11 of 38Top 30%
📍 Sachsenried, DE: #2 of 2 inventorsTop 100%
Overall (All Time): #3,787,665 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D365666 Welding helmet 1995-12-26