DL

Donald L. LeVoir

SS Safetran Systems: 3 patents #3 of 25Top 15%
📍 Coon Rapids, MN: #155 of 498 inventorsTop 35%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,641,429 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5852350 Railroad crossing gate control system including a separate maintenance relay 1998-12-22
5834914 Railroad crossing gate mechanism control system James E. Moe 1998-11-10
4895325 Railroad gate arm lamp circuit 1990-01-23