PQ

Patrick Robert Queval

Overall (All Time): #3,604,724 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6015846 Method of improving the properties of reclaimed sand used for the production of foundry moulds and cores Philippe Toussaint, Johannes A. Geraedts, Jacques Andre Caumont 2000-01-18