DM

David E. Maxwell

SE Sun Electric: 2 patents #8 of 46Top 20%
📍 Cary, IL: #184 of 337 inventorsTop 55%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,374,058 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D257331 Engine exhaust emission analyzer James R. Shaffer, Lee Radtke 1980-10-14
D257013 Engine exhaust emission analyzer James R. Shaffer, Lee Radtke 1980-09-23