HW

Harald A. A. Wallgren

OA Oy Wartsila Ab: 1 patents #53 of 132Top 45%
📍 Alvesta, SE: #71 of 140 inventorsTop 55%
Overall (All Time): #3,781,166 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5454936 Vacuum toilet system Arne Ask, Sven Oldfelt, Raymond L. Wilhelm 1995-10-03