EA

Emil Ackermann

OA Optrel Holding Ag: 1 patents #1 of 3Top 35%
📍 Wattwil, CH: #1 of 1 inventorsTop 100%
Overall (2005): #206,565 of 245,428Top 85%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6941577 Antiglare device for welding protective masks — 2005-09-13