WR

William J. Roettger

FS Federal Signal: 1 patents #293 of 717Top 45%
📍 Rice, MN: #2 of 15 inventorsTop 15%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,943,228 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4885981 Spring return cylinder actuator Douglas Tanner 1989-12-12