RJ

Ralph E. Johnson

IT Illumination Technology: 1 patents #2 of 4Top 50%
📍 Madison, NJ: #15 of 39 inventorsTop 40%
🗺 New Jersey: #1,275 of 4,679 inventorsTop 30%
Overall (1997): #91,189 of 185,788Top 50%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5686786 Light bulb with glass envelope having light transmission of a wavelength only up to 700mm William J. Lang, John B. Hartley 1997-11-11