AB

Al Backes

FS Federal Signal: 1 patents #293 of 717Top 45%
📍 Cold Spring, MN: #5 of 18 inventorsTop 30%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,915,418 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4971288 Valve actuator with hydraulic damper Doug J Tanner, Greg Hegwer 1990-11-20