RS

Rudolph D. Spigarelli

📍 Shreveport, LA: #169 of 570 inventorsTop 30%
🗺 Louisiana: #3,194 of 10,876 inventorsTop 30%
Overall (All Time): #2,363,504 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4401035 Control device for multiple unit locomotive systems John L. Aker, Fred M. Berry 1983-08-30
4253399 Railway locomotive fuel saving arrangement — 1981-03-03