RJ

Randolph A. Johnson

RI Rockwell International: 1 patents #839 of 2,155Top 40%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,889,418 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5063680 Self-erecting tiltmeter Thomas M. Wirt, Ludd A. Trozpek, James W. Brosius, Hugh N. Baertlein, Eric W. Newman 1991-11-12