RS

R. David Seybert

📍 Edwardsville, IL: #9 of 20 inventorsTop 45%
🗺 Illinois: #1,118 of 4,656 inventorsTop 25%
Overall (1997): #51,707 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5619073 Propellant grains and process for the production thereof B. Kelley Posey, David M. Hurley, M. Russel Phinney 1997-04-08