FT

Fredrick W. Tryan

LI Lake Center Industries: 3 patents #1 of 17Top 6%
📍 Lewiston, MN: #1 of 6 inventorsTop 20%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,649,948 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5389864 Actuator with motor and feedback driven by a common power supply Erik Brom 1995-02-14
4638640 Ice thickness controller for an ice making machine Wayne L. Whetstone 1987-01-27
4328522 Brush speed sensing control for vacuum cleaner 1982-05-04