RH

Robert W. Hartwick

GE: 1 patents #19,878 of 36,430Top 55%
📍 Charleston, IL: #19 of 43 inventorsTop 45%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,727,687 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5680003 Coiled-coil filament design for an incandescent lamp Robert J. Kellner, Joseph P. Lagermasini, III, Bernard W. Rachel 1997-10-21