RR

Richard Gerard Van Ryper

EA E.I. Du Pont De Nemours And: 2 patents #2,942 of 8,010Top 40%
📍 Wilmington, DE: #1,519 of 3,182 inventorsTop 50%
🗺 Delaware: #3,234 of 7,163 inventorsTop 50%
Overall (All Time): #2,221,925 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6176115 Fractured seal ring James Ronald Mott, Arnold Wayne Raymond, Christopher Scott Stenta 2001-01-23
5988649 Fractured seal ring James Ronald Mott, Arnold Wayne Raymond, Christopher Scott Stenta 1999-11-23