WH

Willi Heinrich

VA Von Roll Umwelttechnik Ag: 1 patents #19 of 37Top 55%
📍 East Liverpool, OH: #22 of 49 inventorsTop 45%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,583,209 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6237808 Method and device for emptying a drum filled with solids Peter Straub 2001-05-29