DV

Dirk Vandertoolen

EN Envirotech: 1 patents #39 of 100Top 40%
Overall (All Time): #4,071,747 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4336139 Vacuum pan raising and lowering system Max A. Mueller, Gerald Minear 1982-06-22