RD

Ryan R. Dirkx

EA Elf Atochem North America: 1 patents #9 of 40Top 25%
SA Societe Nationale Elf Aquitaine: 1 patents #10 of 60Top 20%
📍 Lower Burrell, PA: #3 of 32 inventorsTop 10%
🗺 Pennsylvania: #948 of 4,234 inventorsTop 25%
Overall (1994): #71,930 of 165,921Top 45%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5276547 Electrochromic element, materials for use in such element, processes for making such element and such materials and use of such element in an electrochromic glass device Jean Paul Couput, Guy Campet, Jean-Michel Chabagno, Daniel Muller, Maurice Bourrel +3 more 1994-01-04