RH

Roland A. Howell

SR Southern Railway: 1 patents #1 of 1Top 100%
📍 Harrison, TN: #1 of 2 inventorsTop 50%
🗺 Tennessee: #148 of 740 inventorsTop 20%
Overall (1989): #62,909 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4805854 Gate circuitry for hot box detectors — 1989-02-21