JV

Jean L. Vellas

UN Unknown: 3 patents #7,366 of 83,584Top 9%
📍 Saint-Gaudens, FR: #14 of 40 inventorsTop 35%
Overall (All Time): #4,101,929 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4304648 Process for the treatment of liquids by oligodynamy and particularly the treatment of sullage waters 1981-12-08