RJ

Robert Carter Johnstone

EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
📍 Cochranville, PA: #9 of 28 inventorsTop 35%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,640,782 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5866050 Method and spinning apparatus having a multiple-temperature control arrangement therein Leland L. Krauss, Duncan Douglas McCabe, Robert Carl Boger 1999-02-02