DD

David J. Van Dal

UN Unknown: 6 patents #2,010 of 83,584Top 3%
Overall (All Time): #1,667,615 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4920763 Chilling apparatus Phillip B. Provest 1990-05-01
4722458 Dispensing valve 1988-02-02
4589377 Engine 1986-05-20