WV

William D. Vanderwerff

SL Sun-Tech Limited: 2 patents #5 of 14Top 40%
📍 West Chester, PA: #610 of 1,305 inventorsTop 50%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,357,774 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4458047 Process for making naphthalene hydrodimer mixtures, product mixtures made thereby and their use as a plasticizer 1984-07-03
4444938 Phenyltetralylbutane as vinyl plasticizer Eugene L. Coggins 1984-04-24