RJ

Robert Johnston

📍 Lincoln, NE: #4 of 52 inventorsTop 8%
🗺 Nebraska: #7 of 171 inventorsTop 5%
Overall (1989): #17,108 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4880149 Liquid metering device John Scholefield 1989-11-14
4841905 Sample processing unit John Scholefield 1989-06-27