CR

Charles Robert Ragsdale

IT Illumination Technology: 1 patents #2 of 4Top 50%
📍 Newport Beach, CA: #17 of 99 inventorsTop 20%
🗺 California: #4,598 of 17,285 inventorsTop 30%
Overall (1997): #167,146 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5659222 Vacuum sealed incandescent lamp with improved filament support structure John B. Hartley 1997-08-19