RC

Roland B. Caldwell

RC Ranco Co.: 2 patents #4 of 48Top 9%
📍 Worthington, OH: #207 of 449 inventorsTop 50%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,345,280 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4703625 Turbocharger control system — 1987-11-03
4619286 Elevation responsive automatic vehicle control system — 1986-10-28