DV

David H. Vahlsing

S( Sun Company, Inc. (R&M): 1 patents #21 of 33Top 65%
SM Sun Refining And Marketing: 1 patents #21 of 30Top 70%
📍 Lansdowne, PA: #117 of 290 inventorsTop 45%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,271,741 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5648590 Liquid phase isomerization of alkanes Chao-Yang Hsu, Vasant K. Patel, James T. Wei, Harry K. Myers, Jr. 1997-07-15
5019671 Liquid phase isomerization of alkanes Chao-Yang Hsu, Vasant K. Patel, James T. Wei, Harry K. Myers, Jr. 1991-05-28